"Expected at least one test class included in task :empty_test_task:test, but found none."
        );
    }

    public void testAllTestTasksIncluded() {
        GradleRunner runner = getGradleRunner().withArguments("clean", ":all_classes_in_tasks:testingConventions", "-i", "-s");
        BuildResult result = runner.buildAndFail();
        assertOutputContains(