fix(test): fixed ProvidePlugin.test.js (#2002)

Author: knagaitsev

test/e2e/ProvidePlugin.test.js

@@ -4,7 +4,7 @@ const testServer = require('../helpers/test-server');
 constconfig=require('../fixtures/provide-plugin-config/webpack.config');
 construnBrowser=require('../helpers/run-browser');
 
-describe.skip('ProvidePlugin',()=>{
+describe('ProvidePlugin',()=>{
 describe('inline',()=>{
 beforeAll((done)=>{
 constoptions={

test/fixtures/provide-plugin-config/foo.js

@@ -1,6 +1,7 @@
 'use strict';
 
-constSockJSClient=require('../../../client-src/clients/SockJSClient');
+// 'npm run prepare' must be run for this to work during testing
+constSockJSClient=require('../../../client/clients/SockJSClient');
 
 window.expectedClient=SockJSClient;
 // eslint-disable-next-line camelcase, no-undef