diff --git a/dev/bots/test.dart b/dev/bots/test.dart
index 135dfa37061..5044ce9c161 100644
--- a/dev/bots/test.dart
+++ b/dev/bots/test.dart
@@ -348,6 +348,7 @@ Future<void> _runWebTests() async {
     'test/services/',
     'test/painting/',
     'test/scheduler/',
+    'test/widgets/',
     'test/semantics/',
   ]);
 }
diff --git a/packages/flutter/lib/src/services/text_input.dart b/packages/flutter/lib/src/services/text_input.dart
index e4141d4f108..9e760a4d14e 100644
--- a/packages/flutter/lib/src/services/text_input.dart
+++ b/packages/flutter/lib/src/services/text_input.dart
@@ -15,6 +15,9 @@ import 'text_editing.dart';
 
 export 'dart:ui' show TextAffinity;
 
+// Whether we're compiled to JavaScript in a web browser.
+const bool _kIsBrowser = identical(0, 0.0);
+
 /// The type of information for which to optimize the text input control.
 ///
 /// On Android, behavior may vary across device and keyboard provider.
@@ -825,6 +828,10 @@ class TextInput {
 
   static bool _debugEnsureInputActionWorksOnPlatform(TextInputAction inputAction) {
     assert(() {
+      if (_kIsBrowser) {
+        // TODO(flutterweb): what makes sense here?
+        return true;
+      }
       if (Platform.isIOS) {
         assert(
           _iOSSupportedInputActions.contains(inputAction),
diff --git a/packages/flutter/test/widgets/actions_test.dart b/packages/flutter/test/widgets/actions_test.dart
index 99398f6a878..17efccd3065 100644
--- a/packages/flutter/test/widgets/actions_test.dart
+++ b/packages/flutter/test/widgets/actions_test.dart
@@ -286,6 +286,6 @@ void main() {
 
       expect(description[0], equalsIgnoringHashCodes('dispatcher: ActionDispatcher#00000'));
       expect(description[1], equals('actions: {[<\'bar\'>]: Closure: () => TestAction}'));
-    });
+    }, skip: isBrowser);
   });
 }
diff --git a/packages/flutter/test/widgets/app_title_test.dart b/packages/flutter/test/widgets/app_title_test.dart
index cfe62560a83..c5f07e3f046 100644
--- a/packages/flutter/test/widgets/app_title_test.dart
+++ b/packages/flutter/test/widgets/app_title_test.dart
@@ -55,6 +55,6 @@ void main() {
     await tester.pump();
     expect(tester.widget<Title>(find.byType(Title)).title, 'en_US');
     expect(tester.widget<Title>(find.byType(Title)).color, kTitleColor);
-  });
+  }, skip: isBrowser);
 
 }
diff --git a/packages/flutter/test/widgets/backdrop_filter_test.dart b/packages/flutter/test/widgets/backdrop_filter_test.dart
index aa27ee3ebd9..ed0d958786d 100644
--- a/packages/flutter/test/widgets/backdrop_filter_test.dart
+++ b/packages/flutter/test/widgets/backdrop_filter_test.dart
@@ -46,5 +46,5 @@ void main() {
       matchesGoldenFile('backdrop_filter_test.cull_rect.1.png'),
       skip: !isLinux,
     );
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/baseline_test.dart b/packages/flutter/test/widgets/baseline_test.dart
index 1af069b77d0..631bcf5e59c 100644
--- a/packages/flutter/test/widgets/baseline_test.dart
+++ b/packages/flutter/test/widgets/baseline_test.dart
@@ -19,7 +19,7 @@ void main() {
       ),
     );
     expect(tester.renderObject<RenderBox>(find.text('X')).size, const Size(100.0, 100.0));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Baseline - position test', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -40,7 +40,7 @@ void main() {
     expect(tester.renderObject<RenderBox>(find.text('X')).size, const Size(100.0, 100.0));
     expect(tester.renderObject<RenderBox>(find.byType(Baseline)).size,
            within<Size>(from: const Size(100.0, 200.0), distance: 0.001));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Chip caches baseline', (WidgetTester tester) async {
     int calls = 0;
@@ -65,7 +65,7 @@ void main() {
     tester.renderObject<RenderBaselineDetector>(find.byType(BaselineDetector)).dirty();
     await tester.pump();
     expect(calls, 2);
-  });
+  }, skip: isBrowser);
 
   testWidgets('ListTile caches baseline', (WidgetTester tester) async {
     int calls = 0;
diff --git a/packages/flutter/test/widgets/basic_test.dart b/packages/flutter/test/widgets/basic_test.dart
index 15c69966f81..fa0f32e3bd7 100644
--- a/packages/flutter/test/widgets/basic_test.dart
+++ b/packages/flutter/test/widgets/basic_test.dart
@@ -51,7 +51,7 @@ void main() {
       expect(tester.hitTestOnBinding(const Offset(100.0, 300.0)), hits(renderPhysicalShape));
       expect(tester.hitTestOnBinding(const Offset(100.0, 299.0)), doesNotHit(renderPhysicalShape));
       expect(tester.hitTestOnBinding(const Offset(100.0, 301.0)), doesNotHit(renderPhysicalShape));
-    });
+    }, skip: isBrowser);
 
   });
 
@@ -202,7 +202,7 @@ void main() {
         tester.getTopLeft(find.byKey(key2)).dy,
         closeTo(aboveBaseline1 - aboveBaseline2, .001),
       );
-    });
+    }, skip: isBrowser);
   });
 
   test('UnconstrainedBox toString', () {
diff --git a/packages/flutter/test/widgets/clip_test.dart b/packages/flutter/test/widgets/clip_test.dart
index 668ba730d5d..3557fb8d5d4 100644
--- a/packages/flutter/test/widgets/clip_test.dart
+++ b/packages/flutter/test/widgets/clip_test.dart
@@ -358,7 +358,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.ClipRect.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('ClipRect save, overlay, and antialiasing', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -398,7 +398,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.ClipRectOverlay.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('ClipRRect painting', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -447,7 +447,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.ClipRRect.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('ClipOval painting', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -490,7 +490,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.ClipOval.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('ClipPath painting', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -538,7 +538,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.ClipPath.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   Center genPhysicalModel(Clip clipBehavior) {
     return Center(
@@ -583,7 +583,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalModel.antiAlias.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('PhysicalModel painting with Clip.hardEdge', (WidgetTester tester) async {
     await tester.pumpWidget(genPhysicalModel(Clip.hardEdge));
@@ -591,7 +591,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalModel.hardEdge.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   // There will be bleeding edges on the rect edges, but there shouldn't be any bleeding edges on the
   // round corners.
@@ -601,7 +601,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalModel.antiAliasWithSaveLayer.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Default PhysicalModel painting', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -643,7 +643,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalModel.default.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   Center genPhysicalShape(Clip clipBehavior) {
     return Center(
@@ -692,7 +692,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalShape.antiAlias.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('PhysicalShape painting with Clip.hardEdge', (WidgetTester tester) async {
     await tester.pumpWidget(genPhysicalShape(Clip.hardEdge));
@@ -700,7 +700,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalShape.hardEdge.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('PhysicalShape painting with Clip.antiAliasWithSaveLayer', (WidgetTester tester) async {
     await tester.pumpWidget(genPhysicalShape(Clip.antiAliasWithSaveLayer));
@@ -708,7 +708,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalShape.antiAliasWithSaveLayer.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('PhysicalShape painting', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -754,7 +754,7 @@ void main() {
       find.byType(RepaintBoundary).first,
       matchesGoldenFile('clip.PhysicalShape.default.1.png'),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('ClipPath.shape', (WidgetTester tester) async {
     final List<String> logs = <String>[];
diff --git a/packages/flutter/test/widgets/custom_painter_test.dart b/packages/flutter/test/widgets/custom_painter_test.dart
index 725fea19c46..e7267224f08 100644
--- a/packages/flutter/test/widgets/custom_painter_test.dart
+++ b/packages/flutter/test/widgets/custom_painter_test.dart
@@ -493,7 +493,7 @@ void _defineTests() {
     );
     expect(semantics, hasSemantics(expectedSemantics, ignoreRect: true, ignoreTransform: true));
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   group('diffing', () {
     testWidgets('complains about duplicate keys', (WidgetTester tester) async {
diff --git a/packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart b/packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart
index b8924ee04a0..00ec06ed1ec 100644
--- a/packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart
+++ b/packages/flutter/test/widgets/draggable_scrollable_sheet_test.dart
@@ -101,7 +101,7 @@ void main() {
         expect(find.text('Item 1'), findsOneWidget);
         expect(find.text('Item 21'), findsOneWidget);
         expect(find.text('Item 31'), findsOneWidget);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be dragged down when not full height', (WidgetTester tester) async {
         await tester.pumpWidget(_boilerplate(null));
@@ -114,7 +114,7 @@ void main() {
         expect(find.text('Item 1'), findsOneWidget);
         expect(find.text('Item 21'), findsNothing);
         expect(find.text('Item 36'), findsNothing);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be dragged down when list is shorter than full height', (WidgetTester tester) async {
         await tester.pumpWidget(_boilerplate(null, itemCount: 30, initialChildSize: .25));
@@ -131,7 +131,7 @@ void main() {
         await tester.pumpAndSettle();
         expect(find.text('Item 1').hitTestable(), findsOneWidget);
         expect(find.text('Item 29').hitTestable(), findsNothing);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be dragged up and cover its container and scroll in single motion, and then dragged back down', (WidgetTester tester) async {
         int taps = 0;
@@ -160,7 +160,7 @@ void main() {
         expect(find.text('Item 1'), findsOneWidget);
         expect(find.text('Item 18'), findsOneWidget);
         expect(find.text('Item 36'), findsNothing);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be flung up gently', (WidgetTester tester) async {
         int taps = 0;
@@ -183,7 +183,7 @@ void main() {
         expect(find.text('Item 21'), findsOneWidget);
         expect(find.text('Item 36'), findsOneWidget);
         expect(find.text('Item 70'), findsNothing);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be flung up', (WidgetTester tester) async {
         int taps = 0;
@@ -204,7 +204,7 @@ void main() {
         expect(find.text('Item 1'), findsNothing);
         expect(find.text('Item 21'), findsNothing);
         expect(find.text('Item 70'), findsOneWidget);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be flung down when not full height', (WidgetTester tester) async {
         await tester.pumpWidget(_boilerplate(null));
@@ -217,7 +217,7 @@ void main() {
         expect(find.text('Item 1'), findsOneWidget);
         expect(find.text('Item 21'), findsNothing);
         expect(find.text('Item 36'), findsNothing);
-      });
+      }, skip: isBrowser);
 
       testWidgets('Can be flung up and then back down', (WidgetTester tester) async {
         int taps = 0;
@@ -256,7 +256,7 @@ void main() {
         expect(find.text('Item 1'), findsOneWidget);
         expect(find.text('Item 21'), findsNothing);
         expect(find.text('Item 70'), findsNothing);
-      });
+      }, skip: isBrowser);
 
       debugDefaultTargetPlatformOverride = null;
     });
diff --git a/packages/flutter/test/widgets/draggable_test.dart b/packages/flutter/test/widgets/draggable_test.dart
index e785f4e073e..5377cec38a1 100644
--- a/packages/flutter/test/widgets/draggable_test.dart
+++ b/packages/flutter/test/widgets/draggable_test.dart
@@ -2085,8 +2085,7 @@ void main() {
         ],
     ), ignoreTransform: true, ignoreRect: true));
     semantics.dispose();
-  });
-
+  }, skip: isBrowser);
 }
 
 Future<void> _testLongPressDraggableHapticFeedback({ WidgetTester tester, bool hapticFeedbackOnStart, int expectedHapticFeedbackCount }) async {
diff --git a/packages/flutter/test/widgets/editable_text_cursor_test.dart b/packages/flutter/test/widgets/editable_text_cursor_test.dart
index 0d731556109..da5b16e15be 100644
--- a/packages/flutter/test/widgets/editable_text_cursor_test.dart
+++ b/packages/flutter/test/widgets/editable_text_cursor_test.dart
@@ -445,7 +445,7 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(controller.selection.baseOffset, 10);
-  });
+  }, skip: isBrowser);
 
   testWidgets('Updating the floating cursor correctly moves the cursor', (WidgetTester tester) async {
     const String text = 'hello world this is fun and cool and awesome!';
@@ -501,7 +501,7 @@ void main() {
     await tester.pumpAndSettle();
     // The cursor has been set.
     expect(controller.selection.baseOffset, 10);
-  });
+  }, skip: isBrowser);
 
   // Regression test for https://github.com/flutter/flutter/pull/30475.
   testWidgets('Trying to select with the floating cursor does not crash', (WidgetTester tester) async {
@@ -567,7 +567,7 @@ void main() {
       offset: const Offset(-250, 20)));
     editableTextState.updateFloatingCursor(RawFloatingCursorPoint(state: FloatingCursorDragState.End));
     await tester.pumpAndSettle();
-  });
+  }, skip: isBrowser);
 
   testWidgets('autofocus sets cursor to the end of text', (WidgetTester tester) async {
     const String text = 'hello world';
@@ -599,7 +599,7 @@ void main() {
     expect(focusNode.hasFocus, true);
     expect(controller.selection.isCollapsed, true);
     expect(controller.selection.baseOffset, text.length);
-  });
+  }, skip: isBrowser);
 
   testWidgets('Floating cursor is painted on iOS', (WidgetTester tester) async {
     debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
@@ -687,7 +687,7 @@ void main() {
     editableTextState.updateFloatingCursor(RawFloatingCursorPoint(state: FloatingCursorDragState.End));
     await tester.pumpAndSettle();
     debugDefaultTargetPlatformOverride = null;
-  });
+  }, skip: isBrowser);
 
   testWidgets('cursor layout iOS', (WidgetTester tester) async {
     final GlobalKey<EditableTextState> editableTextKey = GlobalKey<EditableTextState>();
diff --git a/packages/flutter/test/widgets/editable_text_test.dart b/packages/flutter/test/widgets/editable_text_test.dart
index 015795c489f..edd41b39c77 100644
--- a/packages/flutter/test/widgets/editable_text_test.dart
+++ b/packages/flutter/test/widgets/editable_text_test.dart
@@ -129,7 +129,7 @@ void main() {
         equals('TextInputType.text'));
     expect(tester.testTextInput.setClientArgs['inputAction'],
         equals('TextInputAction.done'));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "unspecified" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -161,7 +161,7 @@ void main() {
       action: TextInputAction.send,
       serializedActionName: 'TextInputAction.send',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "go" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -185,7 +185,7 @@ void main() {
       action: TextInputAction.send,
       serializedActionName: 'TextInputAction.send',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "next" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -193,7 +193,7 @@ void main() {
       action: TextInputAction.next,
       serializedActionName: 'TextInputAction.next',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "previous" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -201,7 +201,7 @@ void main() {
       action: TextInputAction.previous,
       serializedActionName: 'TextInputAction.previous',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "continue" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -209,7 +209,7 @@ void main() {
       action: TextInputAction.continueAction,
       serializedActionName: 'TextInputAction.continueAction',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "join" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -217,7 +217,7 @@ void main() {
       action: TextInputAction.join,
       serializedActionName: 'TextInputAction.join',
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('Keyboard is configured for "route" action when explicitly requested', (WidgetTester tester) async {
     await _desiredKeyboardActionIsRequested(
@@ -1170,7 +1170,7 @@ void main() {
     expect(controller.selection.extentOffset, 9);
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('can extend selection with a11y means - character', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -1271,7 +1271,7 @@ void main() {
     expect(controller.selection.extentOffset, 2);
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('can extend selection with a11y means - word', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -1373,7 +1373,7 @@ void main() {
     expect(controller.selection.extentOffset, 9);
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('password fields have correct semantics', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -2046,7 +2046,7 @@ void main() {
     // at all. Again, both handles should be invisible.
     scrollable.controller.jumpTo(0);
     await verifyVisibility(HandlePositionInViewport.rightEdge, false, HandlePositionInViewport.rightEdge, false);
-  });
+  }, skip: isBrowser);
 
   testWidgets('text selection handle visibility RTL', (WidgetTester tester) async {
     // Text with two separate words to select.
@@ -2103,7 +2103,7 @@ void main() {
     expect(state.selectionOverlay.handlesAreVisible, isTrue);
     expect(controller.selection.base.offset, 0);
     expect(controller.selection.extent.offset, 5);
-  });
+  }, skip: isBrowser);
 
   // Regression test for https://github.com/flutter/flutter/issues/31287
   testWidgets('iOS text selection handle visibility', (WidgetTester tester) async {
@@ -2273,7 +2273,7 @@ void main() {
     await verifyVisibility(HandlePositionInViewport.rightEdge, false, HandlePositionInViewport.rightEdge, false);
 
     debugDefaultTargetPlatformOverride = null;
-  });
+  }, skip: isBrowser);
 }
 
 class MockTextSelectionControls extends Mock implements TextSelectionControls {
diff --git a/packages/flutter/test/widgets/image_resolution_test.dart b/packages/flutter/test/widgets/image_resolution_test.dart
index 0592624680e..ebf2db3e823 100644
--- a/packages/flutter/test/widgets/image_resolution_test.dart
+++ b/packages/flutter/test/widgets/image_resolution_test.dart
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // asset bundle behaves differently.
 import 'dart:async';
 import 'dart:typed_data';
 import 'dart:ui' as ui show Image, ImageByteFormat;
diff --git a/packages/flutter/test/widgets/invert_colors_test.dart b/packages/flutter/test/widgets/invert_colors_test.dart
index 2cd3e5451ad..100dbddd1ed 100644
--- a/packages/flutter/test/widgets/invert_colors_test.dart
+++ b/packages/flutter/test/widgets/invert_colors_test.dart
@@ -23,7 +23,7 @@ void main() {
       matchesGoldenFile('invert_colors_test.0.png'),
       skip: !isLinux,
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('InvertColors and ColorFilter',  (WidgetTester tester) async {
     await tester.pumpWidget(const RepaintBoundary(
@@ -42,7 +42,7 @@ void main() {
       matchesGoldenFile('invert_colors_test.1.png'),
       skip: !isLinux,
     );
-  });
+  }, skip: isBrowser);
 }
 
 // Draws a rectangle sized by the parent widget with [color], [colorFilter],
diff --git a/packages/flutter/test/widgets/keep_alive_test.dart b/packages/flutter/test/widgets/keep_alive_test.dart
index f74307a4609..2d22837c0ee 100644
--- a/packages/flutter/test/widgets/keep_alive_test.dart
+++ b/packages/flutter/test/widgets/keep_alive_test.dart
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome') // diagnostics use Platform.operatingSystem.
 import 'dart:io' show Platform;
 
 import 'package:flutter_test/flutter_test.dart';
diff --git a/packages/flutter/test/widgets/list_view_test.dart b/packages/flutter/test/widgets/list_view_test.dart
index 432bb356871..0893e910389 100644
--- a/packages/flutter/test/widgets/list_view_test.dart
+++ b/packages/flutter/test/widgets/list_view_test.dart
@@ -212,7 +212,7 @@ void main() {
 
     await tester.pumpWidget(_StatefulListView((int i) => i % 3 == 0));
     await checkAndScroll('0:true');
-  });
+  }, skip: isBrowser);
 
   testWidgets('ListView can build out of underflow', (WidgetTester tester) async {
     await tester.pumpWidget(
diff --git a/packages/flutter/test/widgets/list_wheel_scroll_view_test.dart b/packages/flutter/test/widgets/list_wheel_scroll_view_test.dart
index 162f5b7af46..db97008e7c7 100644
--- a/packages/flutter/test/widgets/list_wheel_scroll_view_test.dart
+++ b/packages/flutter/test/widgets/list_wheel_scroll_view_test.dart
@@ -538,7 +538,7 @@ void main() {
         matchesGoldenFile('list_wheel_scroll_view.center_child.magnified.png'),
         skip: !isLinux,
       );
-    });
+    }, skip: isBrowser);
 
     testWidgets('Default middle transform', (WidgetTester tester) async {
       await tester.pumpWidget(
@@ -593,7 +593,7 @@ void main() {
         matchesGoldenFile('list_wheel_scroll_view.curved_wheel.left.png'),
         skip: !isLinux,
       );
-    });
+    }, skip: isBrowser);
 
     testWidgets('Scrolling, diameterRatio, perspective all changes matrix', (WidgetTester tester) async {
       final ScrollController controller = ScrollController(initialScrollOffset: 200.0);
diff --git a/packages/flutter/test/widgets/opacity_test.dart b/packages/flutter/test/widgets/opacity_test.dart
index d02b278cb33..46cc50ee490 100644
--- a/packages/flutter/test/widgets/opacity_test.dart
+++ b/packages/flutter/test/widgets/opacity_test.dart
@@ -180,7 +180,7 @@ void main() {
       matchesGoldenFile('opacity_test.offset.1.png'),
       skip: !isLinux,
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('empty opacity does not crash', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -190,5 +190,5 @@ void main() {
     // The following line will send the layer to engine and cause crash if an
     // empty opacity layer is sent.
     await element.renderObject.layer.toImage(const Rect.fromLTRB(0.0, 0.0, 1.0, 1.0));
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/physical_model_test.dart b/packages/flutter/test/widgets/physical_model_test.dart
index 433a044cffd..35c8837bc2a 100644
--- a/packages/flutter/test/widgets/physical_model_test.dart
+++ b/packages/flutter/test/widgets/physical_model_test.dart
@@ -113,7 +113,7 @@ void main() {
       matchesGoldenFile('physical_model_overflow.png'),
       skip: !isLinux,
     );
-  });
+  }, skip: isBrowser);
 
   group('PhysicalModelLayer checks elevation', () {
     Future<void> _testStackChildren(
@@ -278,7 +278,7 @@ void main() {
 
       await _testStackChildren(tester, children, expectedErrorCount: 0);
       expect(find.byType(Material), findsNWidgets(2));
-    });
+    }, skip: isBrowser);
 
     // Tests:
     //
@@ -485,7 +485,7 @@ void main() {
 
       await _testStackChildren(tester, children, expectedErrorCount: 0);
       expect(find.byType(Material), findsNWidgets(2));
-    });
+    }, skip: isBrowser);
 
     // Tests:
     //
diff --git a/packages/flutter/test/widgets/platform_view_test.dart b/packages/flutter/test/widgets/platform_view_test.dart
index 31da4f615c6..9fae5a6058a 100644
--- a/packages/flutter/test/widgets/platform_view_test.dart
+++ b/packages/flutter/test/widgets/platform_view_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2018 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+@TestOn('!chrome')
 import 'dart:async';
 import 'dart:typed_data';
 
diff --git a/packages/flutter/test/widgets/scrollable_fling_test.dart b/packages/flutter/test/widgets/scrollable_fling_test.dart
index fa99a489678..6e92cce8a11 100644
--- a/packages/flutter/test/widgets/scrollable_fling_test.dart
+++ b/packages/flutter/test/widgets/scrollable_fling_test.dart
@@ -83,7 +83,7 @@ void main() {
     await tester.tap(find.byType(Scrollable));
     await tester.pump(const Duration(milliseconds: 50));
     expect(log, equals(<String>['tap 21', 'tap 35']));
-  });
+  }, skip: isBrowser);
 
   testWidgets('fling and wait and tap', (WidgetTester tester) async {
     final List<String> log = <String>[];
@@ -110,5 +110,5 @@ void main() {
     await tester.tap(find.byType(Scrollable));
     await tester.pump(const Duration(milliseconds: 50));
     expect(log, equals(<String>['tap 21', 'tap 48']));
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/scrollable_of_test.dart b/packages/flutter/test/widgets/scrollable_of_test.dart
index 013b3a41501..ed69e09ebb0 100644
--- a/packages/flutter/test/widgets/scrollable_of_test.dart
+++ b/packages/flutter/test/widgets/scrollable_of_test.dart
@@ -24,7 +24,7 @@ class _ScrollPositionListenerState extends State<ScrollPositionListener> {
     _position?.removeListener(listener);
     _position = Scrollable.of(context)?.position;
     _position?.addListener(listener);
-    widget.log('didChangeDependencies ${_position?.pixels}');
+    widget.log('didChangeDependencies ${_position?.pixels?.toStringAsFixed(1)}');
   }
 
   @override
@@ -37,7 +37,7 @@ class _ScrollPositionListenerState extends State<ScrollPositionListener> {
   Widget build(BuildContext context) => widget.child;
 
   void listener() {
-    widget.log('listener ${_position?.pixels}');
+    widget.log('listener ${_position?.pixels?.toStringAsFixed(1)}');
   }
 
 }
diff --git a/packages/flutter/test/widgets/scrollable_semantics_test.dart b/packages/flutter/test/widgets/scrollable_semantics_test.dart
index 253d7c76500..0f28aa987c5 100644
--- a/packages/flutter/test/widgets/scrollable_semantics_test.dart
+++ b/packages/flutter/test/widgets/scrollable_semantics_test.dart
@@ -259,7 +259,7 @@ void main() {
     ));
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('correct scrollProgress for unbound', (WidgetTester tester) async {
     semantics = SemanticsTester(tester);
diff --git a/packages/flutter/test/widgets/semantics_clipping_test.dart b/packages/flutter/test/widgets/semantics_clipping_test.dart
index 48201557839..7611a7dcced 100644
--- a/packages/flutter/test/widgets/semantics_clipping_test.dart
+++ b/packages/flutter/test/widgets/semantics_clipping_test.dart
@@ -63,7 +63,7 @@ void main() {
     ));
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('SemanticsNode is not removed if out of bounds and merged into something within bounds', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -124,5 +124,5 @@ void main() {
     ));
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/semantics_test.dart b/packages/flutter/test/widgets/semantics_test.dart
index e19af5e51d5..723930ae0fb 100644
--- a/packages/flutter/test/widgets/semantics_test.dart
+++ b/packages/flutter/test/widgets/semantics_test.dart
@@ -536,7 +536,7 @@ void main() {
 
     expect(semantics, hasSemantics(expectedSemantics, ignoreId: true));
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('Actions can be replaced without triggering semantics update', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
diff --git a/packages/flutter/test/widgets/semantics_tester_generateTestSemanticsExpressionForCurrentSemanticsTree_test.dart b/packages/flutter/test/widgets/semantics_tester_generateTestSemanticsExpressionForCurrentSemanticsTree_test.dart
index d4b79e37188..f4126f770a7 100644
--- a/packages/flutter/test/widgets/semantics_tester_generateTestSemanticsExpressionForCurrentSemanticsTree_test.dart
+++ b/packages/flutter/test/widgets/semantics_tester_generateTestSemanticsExpressionForCurrentSemanticsTree_test.dart
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+@TestOn('!chrome')
 import 'dart:async';
 import 'dart:io';
 
diff --git a/packages/flutter/test/widgets/shader_mask_test.dart b/packages/flutter/test/widgets/shader_mask_test.dart
index 1a1809af33a..10578b36de9 100644
--- a/packages/flutter/test/widgets/shader_mask_test.dart
+++ b/packages/flutter/test/widgets/shader_mask_test.dart
@@ -21,7 +21,7 @@ void main() {
   testWidgets('Can be constructed', (WidgetTester tester) async {
     final Widget child = Container(width: 100.0, height: 100.0);
     await tester.pumpWidget(ShaderMask(child: child, shaderCallback: createShader));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Bounds rect includes offset', (WidgetTester tester) async {
     Rect shaderBounds;
@@ -45,5 +45,5 @@ void main() {
 
     // The shader bounds rectangle should reflect the position of the centered SizedBox.
     expect(shaderBounds, equals(const Rect.fromLTWH(200.0, 100.0, 400.0, 400.0)));
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/shadow_test.dart b/packages/flutter/test/widgets/shadow_test.dart
index adcecd2e698..4ff401f8e56 100644
--- a/packages/flutter/test/widgets/shadow_test.dart
+++ b/packages/flutter/test/widgets/shadow_test.dart
@@ -34,7 +34,7 @@ void main() {
       skip: !isLinux
     ); // shadows render differently on different platforms
     debugDisableShadows = true;
-  });
+  }, skip: isBrowser);
 
   testWidgets('Shadows on ShapeDecoration', (WidgetTester tester) async {
     debugDisableShadows = false;
@@ -95,7 +95,7 @@ void main() {
       skip: !isLinux,
     ); // shadows render differently on different platforms
     debugDisableShadows = true;
-  });
+  }, skip: isBrowser);
 
   testWidgets('Shadows with PhysicalShape', (WidgetTester tester) async {
     debugDisableShadows = false;
diff --git a/packages/flutter/test/widgets/shape_decoration_test.dart b/packages/flutter/test/widgets/shape_decoration_test.dart
index 0ef27a9668e..2496bc08b9d 100644
--- a/packages/flutter/test/widgets/shape_decoration_test.dart
+++ b/packages/flutter/test/widgets/shape_decoration_test.dart
@@ -59,7 +59,7 @@ Future<void> main() async {
         ..rect(color: Colors.black)
         ..rect(color: Colors.white),
     );
-  });
+  }, skip: isBrowser);
 
   testWidgets('TestBorder and Directionality - 1', (WidgetTester tester) async {
     final List<String> log = <String>[];
diff --git a/packages/flutter/test/widgets/simple_semantics_test.dart b/packages/flutter/test/widgets/simple_semantics_test.dart
index 4104ceee5bd..ba2a32ddc51 100644
--- a/packages/flutter/test/widgets/simple_semantics_test.dart
+++ b/packages/flutter/test/widgets/simple_semantics_test.dart
@@ -34,7 +34,7 @@ void main() {
     )));
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('Simple tree is simple - material', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -78,5 +78,5 @@ void main() {
     )));
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/slivers_appbar_floating_pinned_test.dart b/packages/flutter/test/widgets/slivers_appbar_floating_pinned_test.dart
index f6ac603c32f..84e2e265c5f 100644
--- a/packages/flutter/test/widgets/slivers_appbar_floating_pinned_test.dart
+++ b/packages/flutter/test/widgets/slivers_appbar_floating_pinned_test.dart
@@ -66,7 +66,7 @@ void main() {
     // initial position of E was 200 + 56 + cSize.height + cSize.height + 500
     // we've scrolled that up by 600.0, meaning it's at that minus 600 now:
     expect(tester.getTopLeft(find.text('E')), Offset(0.0, 200.0 + 56.0 + cSize.height * 2.0 + 500.0 - 600.0));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Does not crash when there is less than minExtent remainingPaintExtent', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/21887.
diff --git a/packages/flutter/test/widgets/text_test.dart b/packages/flutter/test/widgets/text_test.dart
index 269263bd8bb..55f039a86c1 100644
--- a/packages/flutter/test/widgets/text_test.dart
+++ b/packages/flutter/test/widgets/text_test.dart
@@ -55,7 +55,7 @@ void main() {
     final Size largeSize = tester.getSize(find.byType(RichText));
     expect(largeSize.width, 105.0);
     expect(largeSize.height, equals(21.0));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Text respects textScaleFactor with explicit font size', (WidgetTester tester) async {
     await tester.pumpWidget(const Center(
@@ -83,7 +83,7 @@ void main() {
     final Size largeSize = tester.getSize(find.byType(RichText));
     expect(largeSize.width, anyOf(131.0, 130.0));
     expect(largeSize.height, equals(26.0));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Text throws a nice error message if there\'s no Directionality', (WidgetTester tester) async {
     await tester.pumpWidget(const Text('Hello'));
@@ -227,7 +227,7 @@ void main() {
     );
     expect(semantics, hasSemantics(expectedSemantics, ignoreTransform: true, ignoreId: true, ignoreRect: true));
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
 
   testWidgets('recognizers split semantic node - bidi', (WidgetTester tester) async {
@@ -356,7 +356,7 @@ void main() {
     );
     expect(semantics, hasSemantics(expectedSemantics, ignoreTransform: true, ignoreId: true, ignoreRect: true));
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('inline widgets semantic nodes scale', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
@@ -427,7 +427,7 @@ void main() {
     );
     expect(semantics, hasSemantics(expectedSemantics, ignoreTransform: true, ignoreId: true,));
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 
   testWidgets('Overflow is clipping correctly - short text with overflow: clip', (WidgetTester tester) async {
     await _pumpTextWidget(
@@ -447,7 +447,7 @@ void main() {
     );
 
     expect(find.byType(Text), paints..clipRect(rect: const Rect.fromLTWH(0, 0, 50, 50)));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Overflow is clipping correctly - short text with overflow: ellipsis', (WidgetTester tester) async {
     await _pumpTextWidget(
@@ -534,7 +534,7 @@ void main() {
     final Size textSizeLongestLine = tester.getSize(find.byType(Text));
     expect(textSizeLongestLine.width, equals(630.0));
     expect(textSizeLongestLine.height, equals(fontHeight * 2));
-  });
+  }, skip: isBrowser);
 }
 
 Future<void> _pumpTextWidget({ WidgetTester tester, String text, TextOverflow overflow }) {
diff --git a/packages/flutter/test/widgets/transformed_scrollable_test.dart b/packages/flutter/test/widgets/transformed_scrollable_test.dart
index 0fae7015925..e983e73f6c1 100644
--- a/packages/flutter/test/widgets/transformed_scrollable_test.dart
+++ b/packages/flutter/test/widgets/transformed_scrollable_test.dart
@@ -214,5 +214,5 @@ void main() {
     // coordinate space of the screen, the scroll view actually moved far more
     // pixels in its local coordinate system due to the perspective transform.
     expect(controller.offset, greaterThan(100));
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/visibility_test.dart b/packages/flutter/test/widgets/visibility_test.dart
index ad586a72111..3317510f1da 100644
--- a/packages/flutter/test/widgets/visibility_test.dart
+++ b/packages/flutter/test/widgets/visibility_test.dart
@@ -309,5 +309,5 @@ void main() {
     log.clear();
 
     semantics.dispose();
-  });
+  }, skip: isBrowser);
 }
diff --git a/packages/flutter/test/widgets/widget_inspector_test.dart b/packages/flutter/test/widgets/widget_inspector_test.dart
index 8db54de1654..fbd8f2bbf77 100644
--- a/packages/flutter/test/widgets/widget_inspector_test.dart
+++ b/packages/flutter/test/widgets/widget_inspector_test.dart
@@ -930,7 +930,7 @@ class TestWidgetInspectorService extends Object with WidgetInspectorService {
       expect(json.decode(service.getSelectedWidget(null, 'my-group')), contains('createdByLocalProject'));
       service.setSelection(richText, 'my-group');
       expect(json.decode(service.getSelectedWidget(null, 'my-group')), contains('createdByLocalProject'));
-    }, skip: !WidgetInspectorService.instance.isWidgetCreationTracked()); // Test requires --track-widget-creation flag.
+    }, skip: !WidgetInspectorService.instance.isWidgetCreationTracked() || isBrowser); // Test requires --track-widget-creation flag.
 
     test('ext.flutter.inspector.disposeGroup', () async {
       final Object a = Object();
@@ -1490,7 +1490,7 @@ class TestWidgetInspectorService extends Object with WidgetInspectorService {
       expect(await service.testExtension('getSelectedWidget', <String, String>{'objectGroup': 'my-group'}), contains('createdByLocalProject'));
       service.setSelection(richText, 'my-group');
       expect(await service.testExtension('getSelectedWidget', <String, String>{'objectGroup': 'my-group'}), contains('createdByLocalProject'));
-    }, skip: !WidgetInspectorService.instance.isWidgetCreationTracked()); // Test requires --track-widget-creation flag.
+    }, skip: !WidgetInspectorService.instance.isWidgetCreationTracked() || isBrowser); // Test requires --track-widget-creation flag.
 
     testWidgets('ext.flutter.inspector.trackRebuildDirtyWidgets', (WidgetTester tester) async {
       service.rebuildCount = 0;
@@ -2152,7 +2152,7 @@ class TestWidgetInspectorService extends Object with WidgetInspectorService {
         matchesGoldenFile('inspector.sizedBox_debugPaint_margin.png'),
         skip: !isLinux,
       );
-    });
+    }, skip: isBrowser);
 
     testWidgets('Screenshot of composited transforms - only offsets', (WidgetTester tester) async {
       // Composited transforms are challenging to take screenshots of as the
@@ -2250,7 +2250,7 @@ class TestWidgetInspectorService extends Object with WidgetInspectorService {
         matchesGoldenFile('inspector.composited_transform.only_offsets_target.png'),
         skip: !isLinux,
       );
-    });
+    }, skip: isBrowser);
 
     testWidgets('Screenshot composited transforms - with rotations', (WidgetTester tester) async {
       final LayerLink link = LayerLink();
@@ -2360,7 +2360,7 @@ class TestWidgetInspectorService extends Object with WidgetInspectorService {
       expect(identical(key2.currentContext.findRenderObject(), box2), isTrue);
       expect(box1.localToGlobal(Offset.zero), equals(position1));
       expect(box2.localToGlobal(Offset.zero), equals(position2));
-    });
+    }, skip: isBrowser);
   }
 }
 
diff --git a/packages/flutter/test/widgets/wrap_test.dart b/packages/flutter/test/widgets/wrap_test.dart
index 1bb2a208bff..74cafc51f1c 100644
--- a/packages/flutter/test/widgets/wrap_test.dart
+++ b/packages/flutter/test/widgets/wrap_test.dart
@@ -827,7 +827,7 @@ void main() {
     expect(tester.renderObject<RenderBox>(find.text('X')).size, const Size(100.0, 100.0));
     expect(tester.renderObject<RenderBox>(find.byType(Baseline)).size,
            within<Size>(from: const Size(100.0, 200.0), distance: 0.001));
-  });
+  }, skip: isBrowser);
 
   testWidgets('Spacing with slight overflow', (WidgetTester tester) async {
     await tester.pumpWidget(Wrap(