diff --git a/.freeCodeCamp/tooling/tests/main.js b/.freeCodeCamp/tooling/tests/main.js
index db7c135c..79b996ed 100644
--- a/.freeCodeCamp/tooling/tests/main.js
+++ b/.freeCodeCamp/tooling/tests/main.js
@@ -84,7 +84,9 @@ export async function runTests(ws, projectDashedName) {
       WORKER_POOL.push(worker);
 
       // When result is received back from worker, update the client state
+      worker.on('error', workerError);
       worker.on('message', workerMessage);
+      worker.on('messageerror', workerError);
       worker.stdout.on('data', data => {
         logover.debug(`Blocking Worker:`, data.toString());
       });
@@ -121,7 +123,9 @@ export async function runTests(ws, projectDashedName) {
         WORKER_POOL.push(worker);
 
         // When result is received back from worker, update the client state
+        worker.on('error', workerError);
         worker.on('message', workerMessage);
+        worker.on('messageerror', workerError);
         worker.stdout.on('data', data => {
           logover.debug(`Worker-${i}:`, data.toString());
         });
@@ -176,6 +180,10 @@ export async function runTests(ws, projectDashedName) {
         afterAll
       });
     }
+
+    async function workerError(error) {
+      logover.error(`Worker Error:`, error);
+    }
   } catch (e) {
     logover.error('Test Error: ');
     logover.error(e);
diff --git a/self/curriculum/locales/english/build-x-using-y.md b/self/curriculum/locales/english/build-x-using-y.md
index 8e4e96ab..eb7ae2cf 100644
--- a/self/curriculum/locales/english/build-x-using-y.md
+++ b/self/curriculum/locales/english/build-x-using-y.md
@@ -51,6 +51,20 @@ await new Promise(resolve => setTimeout(resolve, 1000));
 assert.equal(__helpers.testDynamicHelper(), 'Helper success!');
 ```
 
+Testing if a worker error causes the server to crash.
+
+```js
+// 3
+try {
+  fetch('http://localhost:3123');
+} catch (e) {
+  console.log('------test------');
+  console.log(e);
+  console.log('------test------');
+  assert.equal(e.message, 'Failed to fetch');
+}
+```
+
 ### --before-each--
 
 ```js