test: [DBAAS1-1386] - Fix cypress test failing for cds select component (#13199)

Author: stayal712

packages/manager/cypress/e2e/core/databases/update-database.spec.ts

@@ -187,8 +187,15 @@ const modifyMaintenanceWindow = (label: string, windowValue: string) => {
     .should('be.visible')
     .should('be.disabled');
 
-  ui.autocomplete.findByLabel(label).should('be.visible').type(windowValue);
-  cy.contains(windowValue).should('be.visible').click();
+  // Open the dropdown via shadow DOM
+  ui.cdsAutoComplete.findByLabel(label, 'input[role="combobox"]').click();
+
+  // Select the value from the dropdown
+  ui.cdsAutoComplete
+    .findByLabel(label, '[role="listbox"]')
+    .contains(windowValue)
+    .click();
+
   ui.cdsButton.findButtonByTitle('Save Changes').then((btn) => {
     btn[0].click(); // Native DOM click
   });
@@ -343,7 +350,7 @@ const validateActionItems = (state: string, label: string) => {
 };
 
 // eslint-disable-next-line sonarjs/no-skipped-tests
-describe.skip('Update database clusters', () => {
+describe('Update database clusters', () => {
   beforeEach(() => {
     mockAppendFeatureFlags({
       databaseVpc: true,

packages/manager/cypress/support/ui/autocomplete.ts

@@ -43,6 +43,24 @@ export const autocomplete = {
   },
 };
 
+export const cdsAutoComplete = {
+  /**
+   * Finds a cds select component within shadow DOM by its title and returns the Cypress chainable.
+   *
+   * @param cdsSelectLabel - Title of cds button to find
+   * @param role - Role of the element to find within the shadow DOM (e.g., 'combobox', 'listbox')
+   *
+   * @returns Cypress chainable.
+   */
+  findByLabel: (label: string, role: string): Cypress.Chainable => {
+    return cy
+      .get(`[data-qa-autocomplete="${label}"] cds-select`)
+      .shadow()
+      .find(`${role}`)
+      .should('be.visible');
+  },
+};
+
 /**
  * Autocomplete Popper UI element.
  *