diff --git a/back/vn-jasmine.js b/back/vn-jasmine.js
index c2d8a497c..2b981c6d9 100644
--- a/back/vn-jasmine.js
+++ b/back/vn-jasmine.js
@@ -27,13 +27,7 @@ const default_loopback_ctx = userId => {
 };
 
 function vnBeforeAll() {
-    Object.assign(beforeAll, {getCtx: default_before_all});
-    Object.assign(beforeAll, {mockLoopBackContext});
-}
-function mockBeforeAll(value = default_before_all) {
-    const origin = beforeAll.ctx;
-    Object.assign(origin, value);
-    return origin;
+    Object.assign(beforeAll, {getCtx: default_before_all, mockLoopBackContext});
 }
 
 const mockLoopBackContext = userId => {
@@ -46,7 +40,7 @@ const mockLoopBackContext = userId => {
     return activeCtx;
 };
 module.exports = {
-    mockBeforeAll, mockLoopBackContext
+    mockLoopBackContext
 };
 
 (function init() {