test(e2e): remove false positive

PR angular#2646 introduced new e2e tests that give positive feedback without running all tests.

Author: devCrossNet

tests/e2e/tests/build/styles/styles-array.ts

@@ -1,11 +1,11 @@
 import * as glob from 'glob';
 
-import {writeMultipleFiles, expectFileToMatch} from '../../../utils/fs';
-import {ng} from '../../../utils/process';
-import {updateJsonFile} from '../../../utils/project';
+import { writeMultipleFiles, expectFileToMatch } from '../../../utils/fs';
+import { ng } from '../../../utils/process';
+import { updateJsonFile } from '../../../utils/project';
 
 
-export default function() {
+export default function () {
   return writeMultipleFiles({
     'src/styles.css': `
       @import './imported-styles.css';
@@ -47,12 +47,14 @@ export default function() {
     .then(() => expectFileToMatch('dist/styles.bundle.js', /.upper.*.lower.*background.*#def/))
 
     .then(() => ng('build', '--prod'))
-    .then(() => new Promise<string>(() =>
-      glob.sync('dist/styles.*.bundle.css').find(file => !!file)))
+    .then(() => new Promise<string>(
+      (resolve) =>
+        resolve(glob.sync('dist/styles.*.bundle.css').find(file => !!file))
+    ))
     .then((styles) =>
-      expectFileToMatch(styles, 'body { background-color: blue; }')
-        .then(() => expectFileToMatch(styles, 'p { background-color: red; }')
-        .then(() => expectFileToMatch(styles, /.outer.*.inner.*background:\s*#[fF]+/))
-        .then(() => expectFileToMatch(styles, /.upper.*.lower.*background.*#def/)))
+      expectFileToMatch(styles, 'body{background-color:blue}')
+        .then(() => expectFileToMatch(styles, 'p{background-color:red}')
+          .then(() => expectFileToMatch(styles, /.outer.*.inner.*background:\s*#[fF]+/))
+          .then(() => expectFileToMatch(styles, /.upper.*.lower.*background.*#def/)))
     );
 }