From 44924e5cf01dfe608f41cf588ba68fa9cb5d4857 Mon Sep 17 00:00:00 2001
From: Danny Tuppeny <danny@tuppeny.com>
Date: Fri, 29 Jun 2018 09:43:25 +0100
Subject: [PATCH] Set FLUTTER_TEST when spawning flutter_tester (#18907)

Otherwise on Windows these will fail as an unsupported platform when things try to read defaultTargetPlatform in flutter apps.
---
 packages/flutter_tools/lib/src/tester/flutter_tester.dart | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/flutter_tools/lib/src/tester/flutter_tester.dart b/packages/flutter_tools/lib/src/tester/flutter_tester.dart
index 2d29a315e41..098de28686e 100644
--- a/packages/flutter_tools/lib/src/tester/flutter_tester.dart
+++ b/packages/flutter_tools/lib/src/tester/flutter_tester.dart
@@ -150,7 +150,10 @@ class FlutterTesterDevice extends Device {
       printTrace(command.join(' '));
 
       _isRunning = true;
-      _process = await processManager.start(command);
+      _process = await processManager.start(command,
+      environment: <String, String>{
+        'FLUTTER_TEST': 'true',
+      });
       _process.exitCode.then((_) => _isRunning = false);
       _process.stdout
           .transform(utf8.decoder)