expectException(\RuntimeException::class); $this->expectExceptionMessage('Translator fallback class'); $formatter = $this->getMockBuilder('Aura\Intl\FormatterInterface')->getMock(); $package = $this->getMockBuilder(Package::class)->getMock(); $fallback = new AuraTranslator('en_CA', $package, $formatter, null); $factory = new TranslatorFactory(); $factory->newInstance('en_CA', $package, $formatter, $fallback); } }