anchor.diff:     */
     List<String> compilerArguments;
     /**
  -   * Indicates if this test is a rerun, to compensate for flaky browser tests.
  +   * Indicates the number of potential retries remaining, to compensate for
  +   * flaky browser tests.
      */
  -  bool isRerun;
  +  bool numRetries;
   
     BrowserTestCase(displayName,
                       this.compilerPath,
  
positive.code:     return _temporaryDirectory;
    }
  
  
    void _checkDone() {
      // When there are no more active test listers ask for more work
  
negative.code:             } else {
                print('\nDeletion of temp dir $_temporaryDirectory failed.');
              }
              _cleanupAndMarkDone();
            };
          }
        }
  