chore(repo): update workspace-plugin to hit installed versions of packages (#35262)

## Current Behavior
workspace-plugin:test has violations

## Expected Behavior
<img width="650" height="399" alt="image"
src="https://github.com/user-attachments/assets/d77c720f-dee9-4e83-8b2f-2823da4990e0"
/>

---------

Co-authored-by: nx-cloud[bot] <71083854+nx-cloud[bot]@users.noreply.github.com>

Author: AgentEnder

tools/workspace-plugin/jest.config.cts

@@ -4,38 +4,8 @@ module.exports = {
   preset: '../../jest.preset.js',
   moduleFileExtensions: ['ts', 'js', 'html'],
   coverageDirectory: '../../coverage/tools/workspace-plugin',
-  moduleNameMapper: {
-    // Override for tools packages - point to packages directory
-    '^@nx/devkit$': '<rootDir>/../../packages/devkit/index.ts',
-    '^@nx/devkit/testing$': '<rootDir>/../../packages/devkit/testing.ts',
-    '^@nx/devkit/internal-testing-utils$':
-      '<rootDir>/../../packages/devkit/internal-testing-utils.ts',
-    '^@nx/devkit/src/(.*)$': '<rootDir>/../../packages/devkit/src/$1',
-    '^nx/src/devkit-exports$':
-      '<rootDir>/../../packages/nx/src/devkit-exports.ts',
-    '^nx/src/devkit-internals$':
-      '<rootDir>/../../packages/nx/src/devkit-internals.ts',
-    '^nx/src/devkit-testing-exports$':
-      '<rootDir>/../../packages/nx/src/devkit-testing-exports.ts',
-    '^@nx/eslint/src/(.*)$': '<rootDir>/../../packages/eslint/src/$1',
-    '^nx/src/internal-testing-utils/(.*)$':
-      '<rootDir>/../../packages/nx/src/internal-testing-utils/$1',
-    '^nx/src/generators/(.*)$': '<rootDir>/../../packages/nx/src/generators/$1',
-    '^nx/src/plugins/(.*)$': '<rootDir>/../../packages/nx/src/plugins/$1',
-    '^nx/src/utils/(.*)$': '<rootDir>/../../packages/nx/src/utils/$1',
-    '^nx/src/config/(.*)$': '<rootDir>/../../packages/nx/src/config/$1',
-    '^nx/src/command-line/(.*)$':
-      '<rootDir>/../../packages/nx/src/command-line/$1',
-    '^nx/src/project-graph/(.*)$':
-      '<rootDir>/../../packages/nx/src/project-graph/$1',
-    '^nx/src/daemon/(.*)$': '<rootDir>/../../packages/nx/src/daemon/$1',
-    '^nx/src/hasher/(.*)$': '<rootDir>/../../packages/nx/src/hasher/$1',
-    '^nx/src/tasks-runner/(.*)$':
-      '<rootDir>/../../packages/nx/src/tasks-runner/$1',
-    '^nx/src/adapter/(.*)$': '<rootDir>/../../packages/nx/src/adapter/$1',
-    '^nx/package.json$': '<rootDir>/../../packages/nx/package.json',
-    '^@nx/js/src/(.*)$': '<rootDir>/../../packages/js/src/$1',
-    '^@nx/plugin$': '<rootDir>/../../packages/plugin/index.ts',
-    '^@nx/plugin/src/(.*)$': '<rootDir>/../../packages/plugin/src/$1',
-  },
+  // Override the workspace-wide resolver that redirects @nx/* imports to
+  // packages/* source; this project is intended to consume the installed
+  // versions of its dependencies, not the local monorepo sources.
+  resolver: undefined,
 };

tools/workspace-plugin/src/generators/create-nodes-plugin/generator.spec.ts

@@ -1,8 +1,13 @@
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
-import { addProjectConfiguration, Tree, writeJson } from '@nx/devkit';
+import {
+  addProjectConfiguration,
+  Tree,
+  workspaceRoot,
+  writeJson,
+} from '@nx/devkit';
+import { join } from 'node:path';
 
 import { generatorGenerator } from './generator';
-import { setCwd } from '@nx/devkit/internal-testing-utils';
 
 describe('create-nodes-plugin/generator generator', () => {
   let tree: Tree;
@@ -19,7 +24,7 @@ describe('create-nodes-plugin/generator generator', () => {
 
     jest.spyOn(process, 'cwd').mockReturnValue('/virtual/packages/eslint');
 
-    setCwd('packages/eslint');
+    process.env.INIT_CWD = join(workspaceRoot, 'packages/eslint');
   });
 
   it('should run successfully', async () => {

tools/workspace-plugin/src/generators/remove-migrations/generator.spec.ts

@@ -1,8 +1,13 @@
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
-import { addProjectConfiguration, Tree, writeJson } from '@nx/devkit';
+import {
+  addProjectConfiguration,
+  Tree,
+  workspaceRoot,
+  writeJson,
+} from '@nx/devkit';
+import { join } from 'node:path';
 
 import update from './generator';
-import { setCwd } from '@nx/devkit/internal-testing-utils';
 
 describe('remove-migrations generator', () => {
   let tree: Tree;
@@ -19,7 +24,7 @@ describe('remove-migrations generator', () => {
 
     jest.spyOn(process, 'cwd').mockReturnValue('/virtual/packages/js');
 
-    setCwd('packages/js');
+    process.env.INIT_CWD = join(workspaceRoot, 'packages/js');
   });
 
   it('should remove migrations older than specified version', async () => {