Merge pull request #2741 from ZoranUTF8/patch-1

5.17: bloglist end to end testing, step1

Author: mluukkai

src/content/5/en/part5d.md

@@ -1142,7 +1142,7 @@ The test structure extends like so:
 ```js
 describe('Blog app', function() {
   beforeEach(function() {
-    cy.request('POST', 'http://localhost:3003/api/testing/reset')
+    cy.request('POST', 'http://localhost:3001/api/testing/reset')
     // create here a user to backend
     cy.visit('http://localhost:5173')
   })