test: [M3-8864] - Cypress tests to validate errors in Linode Create B…

…ackups tab (linode#11422)

* Add tests to validate errors in Linode Create Backups tab

* Update test title

* Added changeset: Cypress tests to validate errors in Linode Create Backups tab

packages/manager/.changeset/pr-11422-tests-1734356272451.md

@@ -0,0 +1,5 @@
+---
+"@linode/manager": Tests
+---
+
+Cypress tests to validate errors in Linode Create Backups tab ([#11422](https://github.com/linode/manager/pull/11422))

packages/manager/cypress/e2e/core/linodes/create-linode.spec.ts

@@ -491,4 +491,25 @@ describe('Create Linode', () => {
     // Confirm the createLinodeErrorMessage disappears.
     cy.findByText(`${createLinodeErrorMessage}`).should('not.exist');
   });
+
+  it('shows correct validation errors if no backup or plan is selected', () => {
+    cy.visitWithLogin('/linodes/create');
+
+    // Navigate to Linode Create page "Backups" tab
+    cy.get('[role="tablist"]')
+      .should('be.visible')
+      .findByText('Backups')
+      .click();
+
+    // Submit without selecting any options
+    ui.button
+      .findByTitle('Create Linode')
+      .should('be.visible')
+      .should('be.enabled')
+      .click();
+
+    // Confirm the correct validation errors show up on the page.
+    cy.findByText('You must select a Backup.').should('be.visible');
+    cy.findByText('Plan is required.').should('be.visible');
+  });
 });