Upgrade jest to version 27.4.5

lib/notifyPendingPromise.js

@@ -1,4 +1,4 @@
-/* global jasmine */
+/* global jasmine, expect */
 let pendingPromisesForTheCurrentTest = [];
 let afterEachRegistered = false;
 
@@ -29,6 +29,15 @@ function registerAfterEachHook() {
   if (typeof afterEach === 'function' && !afterEachRegistered) {
     afterEachRegistered = true;
     try {
+      if (
+        typeof expect === 'function' &&
+        typeof expect.getState === 'function' &&
+        typeof expect.getState().currentTestName !== 'string'
+      ) {
+        // Prevent triggering this error in jest 27+ when a test happens to be running and we didn't get to register the afterEach early:
+        // Hooks cannot be defined inside tests. Hook of type "afterEach" is nested within "should correctly fetch keys in the absence of symbol support".
+        return;
+      }
       afterEach(function () {
         let error;
         let testPassed = true;
@@ -42,16 +51,24 @@ function registerAfterEachHook() {
             // mocha
             testPassed = this.currentTest.state === 'passed';
             displayName = this.currentTest.title;
-          } else if (typeof currentSpec === 'object') {
+          } else if (currentSpec && typeof currentSpec === 'object') {
             testPassed = currentSpec.failedExpectations.length === 0;
             displayName = currentSpec.fullName;
+          } else if (
+            typeof expect === 'function' &&
+            typeof expect.getState === 'function'
+          ) {
+            // Jest's global expect
+            // https://stackoverflow.com/questions/52788380/get-the-current-test-spec-name-in-jest
+            testPassed = undefined; // Jest 27+ doesn't expose whether the test passed or failed
+            displayName = expect.getState().currentTestName;
           }
           error = new Error(
             `${displayName}: You have created a promise that was not returned from the it block`
           );
         }
         pendingPromisesForTheCurrentTest = [];
-        if (error && testPassed) {
+        if (error && testPassed !== false) {
           throw error;
         }
       });
@@ -61,7 +78,7 @@ function registerAfterEachHook() {
   }
 }
 
-// When running in jasmine/node.js, afterEach is available immediately,
+// When running in jasmine/node.js or jest, afterEach is available immediately,
 // but doesn't work within the it block. Register the hook immediately:
 registerAfterEachHook();
 

package.json

@@ -50,7 +50,7 @@
     "istanbul": "^0.4.5",
     "jasmine": "^4.1.0",
     "jasmine-core": "^4.0.0",
-    "jest": "^26.6.3",
+    "jest": "^27.4.5",
     "karma": "^6.3.16",
     "karma-browserstack-launcher": "1.6.0",
     "karma-chrome-launcher": "3.1.0",

test/external.spec.js

@@ -312,7 +312,8 @@ if (typeof process === 'object') {
         });
       });
 
-      it('should not report that a promise was created if the test already failed synchronously', () => {
+      // We cannot detect this in Jest 27
+      it.skip('should not report that a promise was created if the test already failed synchronously', () => {
         return expect(
           'forgotToReturnPendingPromiseFromFailingItBlock',
           'executed through jest'