Switch analysis_server to use 'package:test'.

pkg/analysis_server/test/services/test_all.dart

Index: pkg/analysis_server/test/services/test_all.dart
diff --git a/pkg/analysis_server/test/services/test_all.dart b/pkg/analysis_server/test/services/test_all.dart
index e0c20861437318f26b00931c4af615912489b8a3..8b040a2aa0f7d527d270a4efaa5076ff6cc57733 100644
--- a/pkg/analysis_server/test/services/test_all.dart
+++ b/pkg/analysis_server/test/services/test_all.dart
@@ -4,6 +4,8 @@
 
 library test.services;
 
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
 import '../utils.dart';
 import 'completion/test_all.dart' as completion_all;
 import 'correction/test_all.dart' as correction_all;
@@ -16,11 +18,13 @@ import 'search/test_all.dart' as search_all;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  completion_all.main();
-  correction_all.main();
-  dependencies_all.main();
-  index_all.main();
-  linter_all.main();
-  refactoring_all.main();
-  search_all.main();
+  defineReflectiveSuite(() {
+    completion_all.main();
+    correction_all.main();
+    dependencies_all.main();
+    index_all.main();
+    linter_all.main();
+    refactoring_all.main();
+    search_all.main();
+  });
 }