Refactor test to use findComponent

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/295679

ee/spec/frontend/admin/cloud_licenses/components/subscription_details_table_spec.js

@@ -79,7 +79,7 @@ describe('Subscription Details Table', () => {
     it('displays a loader', () => {
       createComponent([]);
 
-      expect(wrapper.find(GlSkeletonLoader).exists()).toBe(true);
+      expect(wrapper.findComponent(GlSkeletonLoader).exists()).toBe(true);
     });
   });
 });