fixed karma

app/assets/javascripts/ide/stores/modules/pipelines/actions.js

 import Visibility from 'visibilityjs';
 import axios from 'axios';
+import httpStatus from '../../../../lib/utils/http_status';
 import { __ } from '../../../../locale';
 import Poll from '../../../../lib/utils/poll';
 import service from '../../../services';
@@ -23,7 +24,7 @@ export const forcePipelineRequest = () => {
 
 export const requestLatestPipeline = ({ commit }) => commit(types.REQUEST_LATEST_PIPELINE);
 export const receiveLatestPipelineError = ({ commit, dispatch }, err) => {
-  if (err.response.status !== 404) {
+  if (err.status !== httpStatus.NOT_FOUND) {
     dispatch(
       'setErrorMessage',
       {

spec/javascripts/ide/stores/modules/pipelines/actions_spec.js

@@ -59,7 +59,7 @@ describe('IDE pipelines actions', () => {
     it('commits error', done => {
       testAction(
         receiveLatestPipelineError,
-        { response: { status: 404 } },
+        { status: 404 },
         mockedState,
         [{ type: types.RECEIVE_LASTEST_PIPELINE_ERROR }],
         [{ type: 'stopPipelinePolling' }],
@@ -70,7 +70,7 @@ describe('IDE pipelines actions', () => {
     it('dispatches setErrorMessage is not 404', done => {
       testAction(
         receiveLatestPipelineError,
-        { response: { status: 500 } },
+        { status: 500 },
         mockedState,
         [{ type: types.RECEIVE_LASTEST_PIPELINE_ERROR }],
         [