def executedAndNotSkipped = testsExecuted - testsSkipped
            assert executedAndNotSkipped.containsAll(testCases)
            assert executedAndNotSkipped.size() == testCases.size()
            return this
        }

        TestClassExecutionResult assertTestCount(int tests, int failures, int errors) {
            assert tests == testsExecuted.size()
            assert failures == testsFailures.size()