Fix asynchronous test will fail due to timeout issue.

* Send error event to Node.js process.

Author: H1Gdev

packages/jest-environment-jsdom/src/index.js

@@ -19,6 +19,7 @@ class JSDOMEnvironment {
   document: ?Object;
   fakeTimers: ?FakeTimers<number>;
   global: ?Global;
+  errorEventListener: ?Function;
   moduleMocker: ?ModuleMocker;
 
   constructor(config: ProjectConfig): void {
@@ -43,6 +44,13 @@ class JSDOMEnvironment {
       };
     }
 
+    this.errorEventListener = event => {
+      if (event.error) {
+        process.emit('uncaughtException', event.error);
+      }
+    };
+    global.addEventListener('error', this.errorEventListener);
+
     this.moduleMocker = new mock.ModuleMocker(global);
 
     const timerConfig = {
@@ -63,8 +71,12 @@ class JSDOMEnvironment {
       this.fakeTimers.dispose();
     }
     if (this.global) {
+      if (this.errorEventListener) {
+        this.global.removeEventListener('error', this.errorEventListener);
+      }
       this.global.close();
     }
+    this.errorEventListener = null;
     this.global = null;
     this.document = null;
     this.fakeTimers = null;