diff --git a/engine/src/flutter/tests/custom-elements/generated-constructor-expected.txt b/engine/src/flutter/tests/custom-elements/generated-constructor-expected.txt
new file mode 100644
index 00000000000..458b095a91f
--- /dev/null
+++ b/engine/src/flutter/tests/custom-elements/generated-constructor-expected.txt
@@ -0,0 +1,5 @@
+Running 1 tests
+ok 1 Custom element constructor should inherit from the passed constructor
+1 tests
+1 pass
+0 fail
diff --git a/engine/src/flutter/tests/custom-elements/generated-constructor.sky b/engine/src/flutter/tests/custom-elements/generated-constructor.sky
new file mode 100644
index 00000000000..619ebc74327
--- /dev/null
+++ b/engine/src/flutter/tests/custom-elements/generated-constructor.sky
@@ -0,0 +1,18 @@
+<html>
+<import src="../resources/mocha.sky" />
+<import src="../resources/chai.sky" />
+<script>
+describe("Custom element constructor", function() {
+  it("should inherit from the passed constructor", function() {
+    class TestElementClass {
+      static test() { return 10; }
+    }
+    var TestElement = document.registerElement("test-element-1", {
+      prototype: TestElementClass.prototype,
+    });
+    assert.isFunction(TestElement.test);
+    assert.equal(TestElement.test(), 10);
+  });
+});
+</script>
+</html>
