public function testAddsLanguage()
 {
     $package = new Package(static::$name);
     $package->addLanguage(static::$ini_src, 'cs-CZ');
     $languages = $package->getLanguages();
     self::assertNotEmpty($languages);
     $count_1 = count($languages);
     self::assertEquals(1, $count_1);
     self::assertInstanceOf('\\VikiJel\\JoomlaExtensionsPackager\\Language', $languages[0]);
     $package->addLanguageInstance(Language::create(static::$ini_src, 'sk-SK'));
     $languages = $package->getLanguages();
     $count_2 = count($languages);
     self::assertEquals(2, $count_2);
     self::assertInstanceOf('\\VikiJel\\JoomlaExtensionsPackager\\Language', $languages[1]);
 }