diff --git a/.github/workflows/react-component-ci.yml b/.github/workflows/react-component-ci.yml
index bc0debec..a6828ed2 100644
--- a/.github/workflows/react-component-ci.yml
+++ b/.github/workflows/react-component-ci.yml
@@ -94,6 +94,9 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@master
+        with:
+          # https://github.com/codecov/codecov-action/issues/190
+          fetch-depth: 2     
 
       - name: restore cache from package-lock.json
         uses: actions/cache@v2
diff --git a/tests/Portal.test.tsx b/tests/Portal.test.tsx
index a5aa73a2..45c24bd3 100644
--- a/tests/Portal.test.tsx
+++ b/tests/Portal.test.tsx
@@ -1,8 +1,8 @@
+/* eslint-disable react/no-array-index-key */
+import { act, render } from '@testing-library/react';
 import React, { StrictMode, useEffect } from 'react';
-import { render } from '@testing-library/react';
-import { act } from 'react-dom/test-utils';
-import PortalWrapper, { getOpenCount } from '../src/PortalWrapper';
 import Portal from '../src/Portal';
+import PortalWrapper, { getOpenCount } from '../src/PortalWrapper';
 
 describe('Portal', () => {
   let domContainer: HTMLDivElement;
diff --git a/tests/react.test.tsx b/tests/react.test.tsx
index cd1d9a77..db0f9899 100644
--- a/tests/react.test.tsx
+++ b/tests/react.test.tsx
@@ -1,6 +1,5 @@
-import React from 'react';
-import { act } from 'react-dom/test-utils';
-import { render, unmount, _r, _u } from '../src/React/render';
+import { act } from '@testing-library/react';
+import { _r, _u, render, unmount } from '../src/React/render';
 
 globalThis.IS_REACT_ACT_ENVIRONMENT = true;