Remove any 'group' invocations enclosing 'runReflectiveTests'.

pkg/analysis_services/test/index/store/collection_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.services.src.index.store.collection;
 
 import 'package:analysis_services/src/index/store/collection.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 
 main() {
   groupSep = ' | ';
-  group('IntArrayToIntMap', () {
-    runReflectiveTests(_IntArrayToIntMapTest);
-  });
-  group('IntToIntSetMap', () {
-    runReflectiveTests(_IntToIntSetMapTest);
-  });
+  runReflectiveTests(_IntArrayToIntMapTest);
+  runReflectiveTests(_IntToIntSetMapTest);
 }
 
 
 @ReflectiveTestCase()
 class _IntArrayToIntMapTest {
   IntArrayToIntMap map = new IntArrayToIntMap();
 
   void test_put_get() {
     map[<int>[1, 2, 3]] = 1;
     map[<int>[2, 3, 4, 5]] = 2;
@@ skipping 43 matching lines @@
     expect(map.length, 1);
     map.add(1, 11);
     map.add(1, 12);
     expect(map.length, 1);
     map.add(2, 20);
     expect(map.length, 2);
     map.add(2, 21);
     expect(map.length, 2);
   }
 }