Upgrade Jest

package.json

@@ -32,7 +32,7 @@
     "@babel/core": "^7.15.8",
     "@babel/plugin-transform-runtime": "^7.15.8",
     "@babel/preset-env": "^7.15.8",
-    "babel-jest": "^26.1.0",
+    "babel-jest": "^27.2.5",
     "babel-plugin-module-resolver": "^4.1.0",
     "core-js": "^3.18.2",
     "eslint": "^7.32.0",
@@ -46,12 +46,11 @@
     "eslint-plugin-react": "^7.26.1",
     "eslint-plugin-react-hooks": "^4.2.0",
     "if-env": "^1.0.4",
-    "jest": "^26.1.0",
+    "jest": "^27.2.5",
     "mockdate": "^3.0.5",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.4.1",
-    "prop-types": "^15.7.2",
-    "regenerator-runtime": "^0.13.7"
+    "prop-types": "^15.7.2"
   },
   "dependencies": {}
 }

src/jestSetup.js

@@ -1,3 +1,2 @@
 /* eslint-disable import/no-extraneous-dependencies */
 import 'core-js/stable'
-import 'regenerator-runtime/runtime'

src/test-utils.js

@@ -3,9 +3,9 @@
  * https://github.com/facebook/jest/issues/2157
  * @return {Promise<undefined>}
  */
-export const flushAllPromises = async () => {
-  await new Promise((resolve) => setImmediate(resolve))
-}
+export const flushAllPromises = async () =>
+  // https://github.com/facebook/jest/issues/2157#issuecomment-897935688
+  new Promise(jest.requireActual('timers').setImmediate)
 
 /**
  * Flush the Promise resolution queue, then all timers, and