anchor.diff:  @ArgExample('--content-shell-bin ~/dartium/content_shell ~/my_project/',
       help: 'Runs all tests of the project located at ~/my_project/. Sets '
             '~/dartium/content_shell as the Content Shell executable.')
  -runTests(
  +void runTests(
       @Rest(help: 'Path to the project root/test folder or list of path to '
                   'individual test files to run. If omitted all tests of the '
                   'current project will be discovered and ran.')
  
positive.code:   }
  }
  
  String makeWindowsCompatible(String s) {
    if(Platform.isWindows) {
      return s.replaceAll("┌", ".")
              .replaceAll("─", "-")
  
negative.code:             (String path) => path.endsWith(".dart"));
  
      if (oneDartFiles && !allDartFiles) {
        stderr.writeln(_redPen("\nYou can only specify one Dart project directory "
            "or a list of test files.\n"));
        exit(2);
      } else if (!allDartFiles && projectOrTests.length == 1) {
  