anchor.diff:          sourceRange);
       // check
       Location location = newLocation_fromMatch(match);
  -    expect(location.file, '/test.dart');
  +    expect(location.file, convertPath('/test.dart'));
       expect(location.offset, sourceRange.offset);
       expect(location.length, sourceRange.length);
     }
  
positive.code:     Element element = findElement('MyClass');
      // check
      Location location = newLocation_fromElement(element);
      expect(location.file, '/test.dart');
      expect(location.offset, 6);
      expect(location.length, 7);
      expect(location.startLine, 1);
  
negative.code:     AstNode node = findNodeAtString('main');
      // check
      Location location = newLocation_fromNode(node);
      expect(location.file, convertPath('/test.dart'));
      expect(location.offset, node.offset);
      expect(location.length, node.length);
    }
  