Eris\ExampleEnd2EndTest::assertTestsAreFailing PHP Method

    private function assertTestsAreFailing($number)
    {
        $numberOfErrorsAndFailures = (int) $this->results->testsuite['failures'] + (int) $this->results->testsuite['errors'];
        $this->assertSame($number, $numberOfErrorsAndFailures, "The test examples/{$this->testFile} was expected to have {$number} red tests, but instead has {$numberOfErrorsAndFailures}. Run it with `vendor/bin/phpunit examples/{$this->testFile} and find out why." . PHP_EOL . "Also, here is the dump of the test run we just performed:" . PHP_EOL . var_export($this->results, true));
    }