test: adjust unscoped auth

Author: clydin

tests/legacy-cli/e2e/tests/commands/add/secure-registry.ts

@@ -1,16 +1,17 @@
-import { expectFileNotToExist, expectFileToExist, rimraf } from '../../../utils/fs';
+import { expectFileNotToExist, expectFileToExist } from '../../../utils/fs';
 import { getActivePackageManager, installWorkspacePackages } from '../../../utils/packages';
 import { git, ng } from '../../../utils/process';
 import { createNpmConfigForAuthentication } from '../../../utils/registry';
 import { expectToFail } from '../../../utils/utils';
 
 export default async function () {
+  process.env['NG_DEBUG'] = '1';
   const originalNpmConfigRegistry = process.env['NPM_CONFIG_REGISTRY'];
   try {
     // The environment variable has priority over the .npmrc
     delete process.env['NPM_CONFIG_REGISTRY'];
     const packageManager = getActivePackageManager();
-    const supportsUnscopedAuth = packageManager !== 'bun' && packageManager !== 'npm';
+    const supportsUnscopedAuth = packageManager === 'yarn';
     const command = ['add', '@angular/pwa', '--skip-confirmation'];
 
     await expectFileNotToExist('public/manifest.webmanifest');