Skip `{PLAT}_web_tools_test#expression_evaluation_*_test.dart`, turning tree 🔴 (#169305) P0 filed to restore: https://github.com/flutter/flutter/issues/169304, these tests take 20m+ on Linux docs causing timeouts.

diff --git a/packages/flutter_tools/test/web.shard/expression_evaluation_web_amd_test.dart b/packages/flutter_tools/test/web.shard/expression_evaluation_web_amd_test.dart
index 6e72fb1..0a8db50 100644
--- a/packages/flutter_tools/test/web.shard/expression_evaluation_web_amd_test.dart
+++ b/packages/flutter_tools/test/web.shard/expression_evaluation_web_amd_test.dart

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 @Tags(<String>['flutter-test-driver'])
+@Skip('https://github.com/flutter/flutter/issues/169304')
 library;
 
 import '../src/common.dart';

diff --git a/packages/flutter_tools/test/web.shard/expression_evaluation_web_ddc_library_bundle_test.dart b/packages/flutter_tools/test/web.shard/expression_evaluation_web_ddc_library_bundle_test.dart
index 7062b6e..7064367 100644
--- a/packages/flutter_tools/test/web.shard/expression_evaluation_web_ddc_library_bundle_test.dart
+++ b/packages/flutter_tools/test/web.shard/expression_evaluation_web_ddc_library_bundle_test.dart

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 @Tags(<String>['flutter-test-driver'])
+@Skip('https://github.com/flutter/flutter/issues/169304')
 library;
 
 import '../src/common.dart';