feat(challenge25): extends Nx custom library

libs/custom-plugin/src/generators/custom-library/generator.spec.ts

@@ -0,0 +1,20 @@
+import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
+import { Tree, readProjectConfiguration } from '@nx/devkit';
+
+import { customLibraryGenerator } from './generator';
+import { CustomLibraryGeneratorSchema } from './schema';
+
+describe('custom-library generator', () => {
+  let tree: Tree;
+  const options: CustomLibraryGeneratorSchema = { name: 'test' };
+
+  beforeEach(() => {
+    tree = createTreeWithEmptyWorkspace();
+  });
+
+  it('should run successfully', async () => {
+    await customLibraryGenerator(tree, options);
+    const config = readProjectConfiguration(tree, 'test');
+    expect(config).toBeDefined();
+  });
+});