feat(challenge33): about performance

libs/shared/directives/src/test-setup.ts

@@ -0,0 +1,8 @@
+// @ts-expect-error https://thymikee.github.io/jest-preset-angular/docs/getting-started/test-environment
+globalThis.ngJest = {
+  testEnvironmentOptions: {
+    errorOnUnknownElements: true,
+    errorOnUnknownProperties: true,
+  },
+};
+import 'jest-preset-angular/setup-jest';