Prometheus: Bypass flaky E2E test (#86460)

bypass flaky test

e2e/various-suite/query-editor.spec.ts

@@ -6,7 +6,9 @@ describe('Query editor', () => {
     e2e.flows.login(Cypress.env('USERNAME'), Cypress.env('PASSWORD'));
   });
 
-  it('Undo should work in query editor for prometheus -- test CI.', () => {
+  // x-ing to bypass this flaky test.
+  // Will rewrite in plugin-e2e with this issue
+  xit('Undo should work in query editor for prometheus -- test CI.', () => {
     e2e.pages.Explore.visit();
     e2e.components.DataSourcePicker.container().should('be.visible').click();