public function testSettersAndGetters()
 {
     $language_and_plural = new LanguageAndPlural();
     $language_mock = $this->createLanguageMock();
     $language_and_plural->setLanguage($language_mock);
     $language = $language_and_plural->getLanguage();
     $this->assertSame($language_mock, $language);
     $plural_mock = $this->createPluralMock();
     $language_and_plural->setPlural($plural_mock);
     $plural = $language_and_plural->getPlural();
     $this->assertSame($plural_mock, $plural);
 }