Updated DevTools test setup to no longer mock test renerer

Author: Brian Vaughn

packages/react-devtools-shared/src/__tests__/__snapshots__/treeContext-test.js.snap

@@ -1091,6 +1091,48 @@ Object {
 }
 `;
 
+exports[`TreeListContext tree state should select the next and previous elements in the tree: 3: select element after (0) 1`] = `
+Object {
+  "inspectedElementID": 3,
+  "numElements": 4,
+  "ownerFlatTree": null,
+  "ownerID": null,
+  "searchIndex": null,
+  "searchResults": Array [],
+  "searchText": "",
+  "selectedElementID": 3,
+  "selectedElementIndex": 1,
+}
+`;
+
+exports[`TreeListContext tree state should select the next and previous elements in the tree: 3: select element after (1) 1`] = `
+Object {
+  "inspectedElementID": 4,
+  "numElements": 4,
+  "ownerFlatTree": null,
+  "ownerID": null,
+  "searchIndex": null,
+  "searchResults": Array [],
+  "searchText": "",
+  "selectedElementID": 4,
+  "selectedElementIndex": 2,
+}
+`;
+
+exports[`TreeListContext tree state should select the next and previous elements in the tree: 3: select element after (2) 1`] = `
+Object {
+  "inspectedElementID": 5,
+  "numElements": 4,
+  "ownerFlatTree": null,
+  "ownerID": null,
+  "searchIndex": null,
+  "searchResults": Array [],
+  "searchText": "",
+  "selectedElementID": 5,
+  "selectedElementIndex": 3,
+}
+`;
+
 exports[`TreeListContext tree state should select the next and previous elements in the tree: 3: select element after (0) 1`] = `
 Object {
   "inspectedElementID": 3,

packages/react-devtools-shared/src/__tests__/setupEnv.js

@@ -1,15 +1,5 @@
 'use strict';
 
-// Import test renderer and then reset modules for two reasons:
-// 1. We don't want test renderer connected to the DevTools hooks.
-// 2. This enables us to work around the on-renderer limitation.
-// TODO This (or the resetModules below) might be the cause of the hooks erorr in some tests
-const ReactTestRenderer = require.requireActual('react-test-renderer');
-
-jest.resetModules();
-
-jest.mock('react-test-renderer', () => ReactTestRenderer);
-
 // DevTools stores preferences between sessions in localStorage
 if (!global.hasOwnProperty('localStorage')) {
   global.localStorage = require('local-storage-fallback').default;