public function testLang()
{
$current_lang = current_lang();
set_current_lang('bg');
$new_current_lang = current_lang();
$this->assertEquals('en', $current_lang);
$this->assertEquals('bg', $new_current_lang);
$lang_string_test = _e('Select country', true);
$this->assertEquals('Избери държава', $lang_string_test);
}