test(angular): try to fix pnpm install in e2e tests

Author: LayZeeDK

e2e/angular-e2e/tests/convert-to-buildable.spec.ts

@@ -5,13 +5,15 @@ import {
   readJson,
   runNxCommand,
   runNxCommandAsync,
+  runPackageManagerInstall,
   uniq,
 } from '@nrwl/nx-plugin/testing';
 import * as path from 'path';
 
 describe('@nxworker/angular:convert-to-buildable generator e2e', () => {
   beforeAll(() => {
-    copyNodeModules(['@nrwl/angular']);
+    copyNodeModules(['@nrwl/angular', 'ng-packagr']);
+    runPackageManagerInstall();
   });
 
   beforeEach(async () => {

package.json

@@ -95,6 +95,7 @@
     "jest-preset-angular": "8.3.1",
     "json": "^10.0.0",
     "lint-staged": "^10.5.3",
+    "ng-packagr": "^11.0.3",
     "prettier": "2.1.2",
     "ts-jest": "26.4.0",
     "ts-node": "~9.1.1",