luyatests\core\helpers\ObjectHelperTest::testOptionalArg PHP Method

    public function testOptionalArg()
    {
        $response = ObjectHelper::callMethodSanitizeArguments(new TestObject(), 'm2');
        $this->assertSame(null, $response);
        $response = ObjectHelper::callMethodSanitizeArguments(new TestObject(), 'm2', ['foo' => 'bar']);
        $this->assertSame('bar', $response);
    }