test: fix failing generate duplicate component e2e test

Author: delasteve

tests/e2e/tests/generate/component/component-duplicate.ts

@@ -5,7 +5,7 @@ import { oneLine } from 'common-tags';
 export default function () {
   return ng('generate', 'component', 'test-component')
     .then((output) => {
-      if (!output.match(/update src[\\|\/]app[\\|\/]app.module.ts/)) {
+      if (!output.stdout.match(/update src[\\|\/]app[\\|\/]app.module.ts/)) {
         throw new Error(oneLine`
           Expected to match
           "update src${path.sep}app${path.sep}app.module.ts"
@@ -14,7 +14,7 @@ export default function () {
     })
     .then(() => ng('generate', 'component', 'test-component'))
     .then((output) => {
-      if (!output.match(/identical src[\\|\/]app[\\|\/]app.module.ts/)) {
+      if (!output.stdout.match(/identical src[\\|\/]app[\\|\/]app.module.ts/)) {
         throw new Error(oneLine`
           Expected to match
           "identical src${path.sep}app${path.sep}app.module.ts"