Collections\Tests\Dictionary\MergeTest::test_merge_of_bad_types_fails PHP Метод

    public function test_merge_of_bad_types_fails()
    {
        $this->expectException(InvalidArgumentException::class);
        $l = (new Dictionary('string', 'int'))->add('a', 1);
        $r = (new Dictionary('string', 'string'))->add('b', '2');
        $m = $l->merge($r);
    }