test(@angular/cli): add generate module route option E2E

This change adds an E2E test for the `--route` option of the module schematic.  This also allows testing that defaults are properly used for the component generated with the option.

(cherry picked from commit 69e35ed)

tests/legacy-cli/e2e/tests/generate/module/module-route.ts

@@ -0,0 +1,12 @@
+import { expectFileToExist } from '../../../utils/fs';
+import { ng } from '../../../utils/process';
+
+export default async function () {
+  await ng('config', 'schematics.@schematics/angular.component.style', 'scss');
+
+  await ng('generate', 'module', 'test', '--routing');
+
+  await ng('generate', 'module', 'home', '-m', 'test', '--route', 'home', '--routing');
+
+  await expectFileToExist('src/app/home/home.component.scss');
+}