Nest sibling describe under top-level describe

- https://gitlab.com/gitlab-org/gitlab/-/merge_requests/67353#note_643586747

spec/frontend/__helpers__/set_window_location_helper_spec.js

@@ -104,12 +104,11 @@ describe('helpers/set_window_location_helper', () => {
       );
     });
   });
-});
 
-// This set of tests relies on Jest executing tests in source order, which is
-// at the time of writing the only order they will execute, by design.
-// See https://github.com/facebook/jest/issues/4386 for more details.
-describe('window.location resetting by global beforeEach', () => {
+  // This set of tests relies on Jest executing tests in source order, which is
+  // at the time of writing the only order they will execute, by design.
+  // See https://github.com/facebook/jest/issues/4386 for more details.
+  describe('window.location resetting by global beforeEach', () => {
     const overridden = 'https://gdk.test:1234/';
     const initial = `${TEST_HOST}/`;
 
@@ -130,4 +129,5 @@ describe('window.location resetting by global beforeEach', () => {
     it('works after an override', () => {
       expect(window.location.href).toBe(initial);
     });
+  });
 });