fix: patch findby to invoke a cd cycle

Author: timdeschryver

projects/testing-library/src/lib/testing-library.ts

@@ -19,8 +19,10 @@ import {
   waitFor as dtlWaitFor,
   waitForElementToBeRemoved as dtlWaitForElementToBeRemoved,
   screen as dtlScreen,
+  within as dtlWithin,
   waitForOptions as dtlWaitForOptions,
   configure as dtlConfigure,
+  Queries,
 } from '@testing-library/dom';
 import { RenderComponentOptions, RenderDirectiveOptions, RenderTemplateOptions, RenderResult } from './models';
 import { getConfig } from './config';
@@ -432,6 +434,14 @@ function detectChangesForMountedFixtures() {
  */
 const screen = replaceFindWithFindAndDetectChanges(dtlScreen);
 
+/**
+ * Re-export within with patched queries
+ */
+function within(element: HTMLElement, queriesToBind?: Queries) {
+  const container = dtlWithin(element, queriesToBind);
+  return replaceFindWithFindAndDetectChanges(container);
+}
+
 /**
  * Re-export waitFor with patched waitFor
  */
@@ -516,8 +526,7 @@ export {
   queryAllByAttribute,
   queryByAttribute,
   queryHelpers,
-  within,
 } from '@testing-library/dom';
 
 // export patched dtl
-export { screen, waitFor, waitForElementToBeRemoved };
+export { screen, waitFor, waitForElementToBeRemoved, within };