Fix and enable most of material tests for Web (#43019)

diff --git a/packages/flutter_tools/lib/src/web/compile.dart b/packages/flutter_tools/lib/src/web/compile.dart
index e567d91..51413ad 100644
--- a/packages/flutter_tools/lib/src/web/compile.dart
+++ b/packages/flutter_tools/lib/src/web/compile.dart
@@ -75,6 +75,7 @@
     @required Directory projectDirectory,
     @required String projectName,
     String testOutputDir,
+    List<String> testFiles,
     BuildMode mode,
     bool initializePlatform,
   }) async {