More fixes for failures on the Windows bot

pkg/analyzer/test/src/context/cache_test.dart

Index: pkg/analyzer/test/src/context/cache_test.dart
diff --git a/pkg/analyzer/test/src/context/cache_test.dart b/pkg/analyzer/test/src/context/cache_test.dart
index d5a31c41c420ad5add4e28ff165a48674208f19e..b9f36085b0c2bcf91f7b6174dee67006789e7ecd 100644
--- a/pkg/analyzer/test/src/context/cache_test.dart
+++ b/pkg/analyzer/test/src/context/cache_test.dart
@@ -22,9 +22,10 @@ import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
 import '../../reflective_tests.dart';
+import '../../utils.dart';
 
 main() {
-  groupSep = ' | ';
+  initializeTestEnvironment();
   runReflectiveTests(AnalysisCacheTest);
   runReflectiveTests(CacheEntryTest);
   runReflectiveTests(CacheFlushManagerTest);
@@ -33,7 +34,8 @@ main() {
   runReflectiveTests(ResultDataTest);
 }
 
-AnalysisCache createCache({AnalysisContext context,
+AnalysisCache createCache(
+    {AnalysisContext context,
     RetentionPriority policy: RetentionPriority.LOW}) {
   CachePartition partition = new UniversalCachePartition(context);
   return new AnalysisCache(<CachePartition>[partition]);