NsplTest\ArgsTest::testExpectsBoolOrCallable_Positive PHP Метод

    public function testExpectsBoolOrCallable_Positive()
    {
        function expectsBoolOrCallablePositiveTest($arg1)
        {
            expects([bool, callable_], $arg1);
        }
        $this->assertNull(expectsBoolOrCallablePositiveTest(true));
        $this->assertNull(expectsBoolOrCallablePositiveTest(function () {
            return 'answer 42';
        }));
    }