Temporarily move plugin support

pkg/analyzer/test/test_all.dart

Index: pkg/analyzer/test/test_all.dart
diff --git a/pkg/analyzer/test/test_all.dart b/pkg/analyzer/test/test_all.dart
index 7392070c970ac43924dbf2336852e90b2acc655f..acf11542d59259d8eab8b76d559fe429cbda7601 100644
--- a/pkg/analyzer/test/test_all.dart
+++ b/pkg/analyzer/test/test_all.dart
@@ -6,6 +6,7 @@ library test.engine;
 
 import 'package:unittest/unittest.dart';
 
+import 'cancelable_future_test.dart' as cancelable_future_test;
 import 'enum_test.dart' as enum_test;
 import 'error_test.dart' as error;
 import 'file_system/test_all.dart' as file_system;
@@ -13,10 +14,10 @@ import 'generated/test_all.dart' as generated;
 import 'instrumentation/test_all.dart' as instrumentation;
 import 'options_test.dart' as options;
 import 'parse_compilation_unit_test.dart' as parse_compilation_unit;
+import 'plugin/test_all.dart' as plugin_test_all;
 import 'source/test_all.dart' as source;
 import 'src/test_all.dart' as src;
 import 'task/test_all.dart' as task;
-import 'cancelable_future_test.dart' as cancelable_future_test;
 
 /// Utility for manually running all tests.
 main() {
@@ -30,6 +31,7 @@ main() {
     instrumentation.main();
     options.main();
     parse_compilation_unit.main();
+    plugin_test_all.main();
     source.main();
     src.main();
     task.main();