Remove any 'group' invocations enclosing 'runReflectiveTests'.

pkg/analysis_services/test/index/dart_index_contributor_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.dart_index_contributor;
 
 import 'package:analysis_services/index/index.dart';
 import 'package:analysis_services/index/index_store.dart';
 import 'package:analysis_services/src/index/index_contributor.dart';
 import 'package:analysis_testing/abstract_single_unit.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
 
 
 main() {
   groupSep = ' | ';
-  group('DartUnitContributor', () {
-    runReflectiveTests(DartUnitContributorTest);
-  });
+  runReflectiveTests(DartUnitContributorTest);
 }
 
 
 /**
  * Returns `true` if the [actual] location the same properties as [expected].
  */
 bool _equalsLocation(Location actual, ExpectedLocation expected) {
   return _equalsLocationProperties(
       actual,
       expected.element,
@@ skipping 1687 matching lines @@
 
   RecordedRelation(this.element, this.relationship, this.location);
 
   @override
   String toString() {
     return 'RecordedRelation(element=$element; relationship=$relationship; '
         'location=$location; flags=' '${location.isQualified ? "Q" : ""}'
         '${location.isResolved ? "R" : ""})';
   }
 }