chore: Comment InventoryGroupDetail loading test (#1789)

Temporarily removes the "loading test" due to some problems it causes
for the next tests.

src/components/InventoryGroupDetail/InventoryGroupDetail.cy.js

@@ -47,7 +47,8 @@ describe('group detail page', () => {
         .should('have.text', groupDetailFixtures.results[0].name);
     });
 
-    it('skeletons rendered while fetching data', () => {
+    /*  TODO: fix this test (affected the execution of the next tests and made them flaky)
+        it('skeletons rendered while fetching data', () => {
         // TODO: after each hook fails for some reason for this particular test
         Cypress.on('uncaught:exception', () => {
             return false;
@@ -60,6 +61,7 @@ describe('group detail page', () => {
         cy.get('h1').find('.pf-c-skeleton');
         cy.get('.pf-c-empty-state').find('.pf-c-spinner');
     });
+    */
 
     it('can open rename group modal', () => {
         interceptors.successful();