Fixes actions spec

spec/frontend/error_tracking/store/list/actions_spec.js

@@ -90,14 +90,13 @@ describe('error tracking actions', () => {
   describe('sortByField', () => {
     it('should search by query', () => {
       const field = 'frequency';
-      const cursor = '1576637570000:0:0';
 
       testAction(
         actions.sortByField,
-        { field, cursor },
+        field,
         {},
         [
-          { type: types.SET_CURSOR, payload: cursor },
+          { type: types.SET_CURSOR, payload: undefined },
           { type: types.SET_SORT_FIELD, payload: field },
         ],
         [{ type: 'stopPolling' }, { type: 'startPolling' }],