anchor.diff:  
       List<TestConfiguration> browserTests = tests.where(
           (TestConfiguration t) => t.testType is BrowserTest).toList();
  -    print(greenPen("Found ${tests.length} test files:"));
  +    print(greenPen("Found ${tests.length} test suites:"));
       print(greenPen(" - ${tests.length - browserTests.length} Standalone VM"));
       print(greenPen(" - ${browserTests.length} Dartium"));
   
  
positive.code: 
    // Step 3: Detect all unit tests and extract their configuration.
  
    print("\nLooking for test files...");
    try {
      dartProject.findTests(tests);
    } catch (e) {
  
negative.code:         List<TestExecutionResult> failedTestResults =
              results.where((TestExecutionResult t) => !t.success).toList();
          if (failedTestResults.length == 0) {
            print(greenPen("\nSummary: ALL ${tests.length} TEST SUITE(S) "
                "PASSED.\n"));
            exit(0);
          } else if (failedTestResults.length == tests.length) {
            print(redPen("\nSummary: ALL ${failedTestResults.length} TEST SUITE(S)"
                " FAILED.\n"));
            exit(1);
          } else {
            print("\nSummary: "
                + redPen("${failedTestResults.length} TEST SUITE(S) FAILED. ")
                + greenPen("${tests.length - failedTestResults.length} TEST "
                    "SUITE(S) PASSED.\n"));
            exit(1);
          }
        });
  