fix test and make warning translatable

apps/files_encryption/hooks/hooks.php

@@ -238,6 +238,7 @@ class Hooks {
 	 */
 	public static function preShared($params) {
 
+		$l = new \OC_L10N('files_encryption');
 		$users = array();
 		$view = new \OC\Files\View('/public-keys/');
 
@@ -259,7 +260,7 @@ class Hooks {
 
 		if (count($notConfigured) > 0) {
 			$params['run'] = false;
-			$params['error'] = 'Following users are not set up for encryption: ' . join(', ' , $notConfigured);
+			$params['error'] = $l->t('Following users are not set up for encryption:') . ' ' . join(', ' , $notConfigured);
 		}
 		
 	}

apps/files_encryption/tests/share.php

@@ -881,8 +881,13 @@ class Test_Encryption_Share extends \PHPUnit_Framework_TestCase {
 		\OC_FileProxy::$enabled = $proxyStatus;
 
 		// share the file
-		\OCP\Share::shareItem('file', $fileInfo['fileid'], \OCP\Share::SHARE_TYPE_GROUP, \Test_Encryption_Share::TEST_ENCRYPTION_SHARE_GROUP1, OCP\PERMISSION_ALL);
-
+		try {
+			\OCP\Share::shareItem('file', $fileInfo['fileid'], \OCP\Share::SHARE_TYPE_GROUP, \Test_Encryption_Share::TEST_ENCRYPTION_SHARE_GROUP1, OCP\PERMISSION_ALL);
+		} catch (Exception $e) {
+			$this->assertEquals(0, strpos($e->getMessage(), "Following users are not set up for encryption"));
+		}
+		
+		
 		// login as admin
 		\Test_Encryption_Util::loginHelper(\Test_Encryption_Share::TEST_ENCRYPTION_SHARE_USER1);