build(docs-infra): separate NgModules from Classes in API docs (#25734)

PR Close #25734

aio/tools/transforms/angular-api-package/processors/processNgModuleDocs.spec.js

@@ -0,0 +1,24 @@
+const testPackage = require('../../helpers/test-package');
+const Dgeni = require('dgeni');
+
+describe('processNgModuleDocs processor', () => {
+  let processor;
+  beforeEach(() => {
+    const dgeni = new Dgeni([testPackage('angular-api-package')]);
+    const injector = dgeni.configureInjector();
+    processor = injector.get('processNgModuleDocs');
+  });
+
+  it('should be available on the injector', () => {
+    expect(processor.$process).toBeDefined();
+  });
+
+  it('should run before the correct processor', () => {
+    expect(processor.$runBefore).toEqual(['docs-processed']);
+  });
+
+  it('should run after the correct processor', () => {
+    expect(processor.$runAfter).toEqual(['extractDecoratedClassesProcessor']);
+  });
+
+});