anchor.diff:    }
   
     test_writeClassDeclaration_isAbstract() async {
  -    String path = '/test.dart';
  +    String path = provider.convertPath('/test.dart');
       addSource(path, '');
   
       DartChangeBuilderImpl builder = new DartChangeBuilderImpl(driver);
  
positive.code: @reflectiveTest
  class DartLinkedEditBuilderImplTest extends AbstractContextTest {
    test_addSuperTypesAsSuggestions() async {
      String path = '/test.dart';
      addSource(
          path,
          '''
  
negative.code:   }
  
    test_writeParameterSource() async {
      String path = provider.convertPath('/test.dart');
      String content = 'class A {}';
      addSource(path, content);
      DartType typeA = await _getType(path, 'A');
  