Simplify test

Author: Mechazawa

tests/unit/ResourceLister.test.js

@@ -40,8 +40,6 @@ test('lister update should stop if it gets a 500', async () => {
   moxios.wait(() => {
     const request = moxios.requests.mostRecent();
 
-    expect(true).toBeTruthy();
-
     request.respondWith({
       status: 500,
       response: {
@@ -54,8 +52,6 @@ test('lister update should stop if it gets a 500', async () => {
     });
   });
 
-  expect.assertions(3);
-
   const lister = api.users.lister({}, 0);
 
   lister.autoUpdate = false;