anchor.diff:          _createWorkspace('/workspace', ['project']);
   
       final testFile = provider.newFile(_p('/workspace/test/file.dart'), '');
  -    expect(workspace.findFile('/workspace/test/file.dart'), testFile);
  +    expect(workspace.findFile(_p('/workspace/test/file.dart')), testFile);
     }
   
     void test_findFile_testGenerated() {
  
positive.code: 
      final libFile = provider.newFile(
          _p('/workspace/.dart_tool/build/generated/foo/lib/file.dart'), '');
      expect(workspace.builtFile('lib/file.dart', 'foo'), libFile);
    }
  
    void test_builtFile_notInPackagesGetsHidden() {
  
negative.code:         _createWorkspace('/workspace', ['project']);
  
      final webFile = provider.newFile(_p('/workspace/web/file.dart'), '');
      expect(workspace.findFile(_p('/workspace/web/file.dart')), webFile);
    }
  
    void test_findFile_webGenerated() {
  