ReturnToPrevious: Fix e2e test (#84938)

refactor: remove some waiting for elements that seem to have been removed

e2e/various-suite/return-to-previous.spec.ts

@@ -1,6 +1,6 @@
 import { e2e } from '../utils';
 
-describe.skip('ReturnToPrevious button', () => {
+describe('ReturnToPrevious button', () => {
   beforeEach(() => {
     e2e.flows.login(Cypress.env('USERNAME'), Cypress.env('PASSWORD'));
     cy.window().then((win) => {
@@ -16,9 +16,6 @@ describe.skip('ReturnToPrevious button', () => {
   });
 
   it('should appear when changing context and go back to alert rule when clicking "Back"', () => {
-    // make sure the dashboard finished loading
-    cy.get('button[aria-label*="BarChart - Label Rotation & Skipping"]').should('be.visible');
-
     // check whether all elements of RTP are available
     e2e.components.ReturnToPrevious.buttonGroup().should('be.visible');
     e2e.components.ReturnToPrevious.dismissButton().should('be.visible');
@@ -42,9 +39,6 @@ describe.skip('ReturnToPrevious button', () => {
   it('should not persist when going back to the alert rule details view', () => {
     e2e.components.ReturnToPrevious.buttonGroup().should('be.visible');
 
-    // make sure the dashboard finished loading
-    cy.get('button[aria-label*="BarChart - Label Rotation & Skipping"]').should('be.visible');
-
     cy.visit('/alerting/list');
     e2e.components.AlertRules.groupToggle().first().click();
     cy.get('a[title="View"]').click();
@@ -52,9 +46,6 @@ describe.skip('ReturnToPrevious button', () => {
   });
 
   it('should override the button label and change the href when user changes alert rules', () => {
-    // make sure the dashboard finished loading
-    cy.get('button[aria-label*="BarChart - Label Rotation & Skipping"]').should('be.visible');
-
     e2e.components.ReturnToPrevious.backButton()
       .find('span')
       .contains('Back to e2e-ReturnToPrevious-test')
@@ -67,9 +58,6 @@ describe.skip('ReturnToPrevious button', () => {
     cy.url().as('alertRule2Url');
     cy.get('a').contains('View panel').click();
 
-    // make sure the dashboard finished loading
-    cy.get('button[aria-label*="BarChart - Label Rotation & Skipping"]').should('be.visible');
-
     e2e.components.ReturnToPrevious.backButton()
       .find('span')
       .contains('Back to e2e-ReturnToPrevious-test-2')