OCPBUGS-55085: Add test case to verify IDP successfully removed (#14977)

* add test case to verify IDP was sucessfully removed

* upd

* upd

Author: cajieh

frontend/packages/integration-tests-cypress/tests/cluster-settings/oauth.cy.ts

@@ -87,8 +87,13 @@ describe('OAuth', () => {
 
   it(`removes the Basic Authentication IDP 'basic-auth-${testName}'  in the list on the OAuth settings page`, () => {
     const idpName = `basic-auth-${testName}`;
+
+    // Open the kebab menu and remove the IDP
     cy.get(`[data-test-idp-kebab-for="${idpName}"]`).find('[data-test-id="kebab-button"]').click();
     cy.get('[data-test-action="Remove identity provider"]').should('be.visible').click();
     cy.get('[data-test="confirm-action"]').click();
+
+    // Verify the IDP was successfully removed
+    cy.get(`[data-test-idp-kebab-for="${idpName}"]`).should('not.exist');
   });
 });