$obj->abc(), Nette\MemberAccessException::class, 'Call to undefined method TestClass::abc().', ); Assert::exception( fn() => $obj->method(), Nette\MemberAccessException::class, 'Call to undefined method TestClass::method(), did you mean methodO2()?', ); Assert::exception( fn() => TestClass::abc(), Nette\MemberAccessException::class, 'Call to undefined static method TestClass::abc().', ); Assert::exception( fn() => TestClass::method(), Nette\MemberAccessException::class, 'Call to undefined static method TestClass::method(), did you mean methodS2()?', ); if (extension_loaded('gd')) { Assert::exception( fn() => Nette\Utils\Image::fromBlank(1, 1)->filledElippse(), Nette\MemberAccessException::class, 'Call to undefined method Nette\Utils\Image::filledElippse(), did you mean filledEllipse()?', ); }