More fixes for failures on the Windows bot

pkg/analysis_server/test/services/dependencies/test_all.dart

Index: pkg/analysis_server/test/services/dependencies/test_all.dart
diff --git a/pkg/analysis_server/test/services/dependencies/test_all.dart b/pkg/analysis_server/test/services/dependencies/test_all.dart
index ccc4b9d04189bec6cf22aafa1329f3e11a5af405..1874a0778d9c301b182a3214aa13fbad5922ba22 100644
--- a/pkg/analysis_server/test/services/dependencies/test_all.dart
+++ b/pkg/analysis_server/test/services/dependencies/test_all.dart
@@ -6,11 +6,12 @@ library test.services.dependencies;
 
 import 'package:unittest/unittest.dart';
 
+import '../../utils.dart';
 import 'library_dependencies_test.dart' as library_dependencies_test;
 
 /// Utility for manually running all tests.
 main() {
-  groupSep = ' | ';
+  initializeTestEnvironment();
   group('dependencies', () {
     library_dependencies_test.main();
   });