anchor.diff:  
   /// Green colored modifiers for writing to terminal in color mode.
   var greenPen = (String s) => s;
  +
  +/// Orange colored modifiers for writing to terminal in color mode.
  +var orangePen = (String s) => s;
   
   /// Un-colored underlined modifiers for writing to terminal.
   var underlinePen = (String s) => s;
  
positive.code: 
        // Error if no tests were found.
        if (tests == null || tests.length == 0) {
          print('\x1b[4A');
          stderr.writeln(redPen("No tests files were found.\n"));
          exit(3);
        }
  
        displayTestCount(tests, true, skipBrowserTests);
  
        // Step 3 bis: Check if browser binaries have been set correctly.
  
  
negative.code: 
  /// Displays the information about [tests] found.
  void displayTestCount(List<TestConfiguration> tests, bool erasePreviousLines,
                        bool skipBrowserTests, bool partial) {
    if (erasePreviousLines) {
      print('\x1b[2A');
    }
  
    // Find out how many tests are browser tests.
    List<TestConfiguration> browserTests = tests.where(
            (TestConfiguration t) => t.testType is BrowserTest).toList();
  
    print(greenPen("Found ${tests.length} test suites "
          "(${tests.length - browserTests.length} "
          "Standalone VM, ${browserTests.length} Dartium)."
          + (partial ? ".." : "  ")));
    if (browserTests.length > 0 && skipBrowserTests) {
      print(orangePen("Dartium tests will be skipped!"));
      if(partial) {
        print('\x1b[2A');
      }
    }
  }
  