public function testCanConstruct()
 {
     $languageContents = $this->getMockBuilder(LanguageContents::class)->disableOriginalConstructor()->getMock();
     $this->assertInstanceOf(ExtraneousLanguage::class, new ExtraneousLanguage($languageContents));
     $this->assertInstanceOf(ExtraneousLanguage::class, ExtraneousLanguage::getInstance());
     ExtraneousLanguage::clear();
 }
 protected function tearDown()
 {
     ExtraneousLanguage::clear();
     parent::tearDown();
 }