anchor.diff:      expect(element.name, 'myGetter');
       {
         Location location = element.location;
  -      expect(location.file, '/test.dart');
  +      expect(location.file, convertPath('/test.dart'));
         expect(location.offset, 23);
         expect(location.length, 'myGetter'.length);
         expect(location.startLine, 2);
  
positive.code:       expect(element.typeParameters, isNull);
        {
          Location location = element.location;
          expect(location.file, '/test.dart');
          expect(location.offset, 27);
          expect(location.length, '_A'.length);
          expect(location.startLine, 2);
  
negative.code:     expect(element.typeParameters, '<T>');
      {
        Location location = element.location;
        expect(location.file, convertPath('/test.dart'));
        expect(location.offset, 12);
        expect(location.length, 'F'.length);
        expect(location.startLine, 1);
  