Removed fixed dependencies

packages/plugin/test/plugin_impl_test.dart

Index: packages/plugin/test/plugin_impl_test.dart
diff --git a/packages/plugin/test/plugin_impl_test.dart b/packages/plugin/test/plugin_impl_test.dart
index 5d2902f302e5fa7026cf72362693a9d40c5f5f29..2221cf81ced78346808871cdc4260913d80df848 100644
--- a/packages/plugin/test/plugin_impl_test.dart
+++ b/packages/plugin/test/plugin_impl_test.dart
@@ -6,11 +6,9 @@ library test.operation;
 
 import 'package:plugin/plugin.dart';
 import 'package:plugin/src/plugin_impl.dart';
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 main() {
-  groupSep = ' | ';
-
   group('ExtensionManager', () {
     test('processPlugins', () {
       TestPlugin plugin1 = new TestPlugin('plugin1');
@@ -26,8 +24,8 @@ main() {
     test('registerExtension - valid', () {
       Plugin plugin = new TestPlugin('plugin');
       ExtensionManagerImpl manager = new ExtensionManagerImpl();
-      ExtensionPoint point =
-          manager.registerExtensionPoint(plugin, 'point', null);
+      ExtensionPoint point = new ExtensionPoint(plugin, 'point', null);
+      manager.registerExtensionPoint(point);
       expect(point, isNotNull);
       Object extension = 'extension';
       manager.registerExtension('plugin.point', extension);
@@ -48,22 +46,24 @@ main() {
       Plugin plugin1 = new TestPlugin('plugin1');
       Plugin plugin2 = new TestPlugin('plugin2');
       ExtensionManagerImpl manager = new ExtensionManagerImpl();
-      expect(
-          manager.registerExtensionPoint(plugin1, 'point1', null), isNotNull);
-      expect(
-          manager.registerExtensionPoint(plugin1, 'point2', null), isNotNull);
-      expect(
-          manager.registerExtensionPoint(plugin2, 'point1', null), isNotNull);
-      expect(
-          manager.registerExtensionPoint(plugin2, 'point2', null), isNotNull);
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin1, 'point1', null));
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin1, 'point2', null));
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin2, 'point1', null));
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin2, 'point2', null));
     });
 
     test('registerExtensionPoint - conflicting - same plugin', () {
       Plugin plugin1 = new TestPlugin('plugin1');
       ExtensionManagerImpl manager = new ExtensionManagerImpl();
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin1, 'point1', null));
       expect(
-          manager.registerExtensionPoint(plugin1, 'point1', null), isNotNull);
-      expect(() => manager.registerExtensionPoint(plugin1, 'point1', null),
+          () => manager.registerExtensionPoint(
+              new ExtensionPoint(plugin1, 'point1', null)),
           throwsA(new isInstanceOf<ExtensionError>()));
     });
 
@@ -71,9 +71,11 @@ main() {
       Plugin plugin1 = new TestPlugin('plugin1');
       Plugin plugin2 = new TestPlugin('plugin1');
       ExtensionManagerImpl manager = new ExtensionManagerImpl();
+      manager
+          .registerExtensionPoint(new ExtensionPoint(plugin1, 'point1', null));
       expect(
-          manager.registerExtensionPoint(plugin1, 'point1', null), isNotNull);
-      expect(() => manager.registerExtensionPoint(plugin2, 'point1', null),
+          () => manager.registerExtensionPoint(
+              new ExtensionPoint(plugin2, 'point1', null)),
           throwsA(new isInstanceOf<ExtensionError>()));
     });
   });
@@ -117,8 +119,8 @@ main() {
 
     test('add - with validator - valid', () {
       Plugin plugin = new TestPlugin('plugin');
-      ExtensionPointImpl point = new ExtensionPointImpl(plugin, 'point',
-          (Object extension) {
+      ExtensionPointImpl point =
+          new ExtensionPointImpl(plugin, 'point', (Object extension) {
         if (extension is! String) {
           throw new ExtensionError('');
         }
@@ -128,8 +130,8 @@ main() {
 
     test('add - with validator - invalid', () {
       Plugin plugin = new TestPlugin('plugin');
-      ExtensionPointImpl point = new ExtensionPointImpl(plugin, 'point',
-          (Object extension) {
+      ExtensionPointImpl point =
+          new ExtensionPointImpl(plugin, 'point', (Object extension) {
         if (extension is! String) {
           throw new ExtensionError('');
         }