RN: Migrate LogBoxNotificationContainer-test.js from Shallow Renderer (#44981)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/44981

Migrates this Jest unit test away from using `react-shallow-renderer` because it is no longer recommended.

Changelog:
[Internal]

Reviewed By: robhogan

Differential Revision: D58643062

fbshipit-source-id: 6d7bba78945509bbb6bdab1e6347ba0d90343ec3

packages/react-native/Libraries/LogBox/__tests__/LogBoxNotificationContainer-test.js

@@ -18,9 +18,16 @@ const {
 } = require('../LogBoxInspectorContainer');
 const React = require('react');
 
+// Mock `LogBoxInspector` because we are interested in snapshotting the behavior
+// of `LogBoxNotificationContainer`, not `LogBoxInspector`.
+jest.mock('../UI/LogBoxInspector', () => ({
+  __esModule: true,
+  default: 'LogBoxInspector',
+}));
+
 describe('LogBoxNotificationContainer', () => {
   it('should render inspector with logs, even when disabled', () => {
-    const output = render.shallowRender(
+    const output = render.create(
       <LogBoxInspectorContainer
         isDisabled
         selectedLogIndex={-1}