public function testGetLanguageList()
 {
     $lang = new Zend_Translate(Zend_Translate::AN_ARRAY, array('msg1' => 'Message 1'), 'en');
     $lang->addTranslation('ru', array('msg1' => 'Message 1 (ru)'));
     $this->assertEquals(count($lang->getLanguageList()), 2);
     $this->assertTrue(in_array('en', $lang->getLanguageList()));
     $this->assertTrue(in_array('ru', $lang->getLanguageList()));
 }