test: Add e2e tests for cred setup on workflow editor (no-changelog) (#8245)

## Summary

Follow-up to https://github.com/n8n-io/n8n/pull/8240

Adds e2e tests for the template credential setup in workflow editor


## Related tickets and issues

https://linear.app/n8n/issue/ADO-1463/feature-enable-users-to-close-and-re-open-the-setup

cypress/support/commands.ts

@@ -1,6 +1,12 @@
 import 'cypress-real-events';
 import { WorkflowPage } from '../pages';
-import { BACKEND_BASE_URL, INSTANCE_MEMBERS, INSTANCE_OWNER, N8N_AUTH_COOKIE } from '../constants';
+import {
+	BACKEND_BASE_URL,
+	INSTANCE_ADMIN,
+	INSTANCE_MEMBERS,
+	INSTANCE_OWNER,
+	N8N_AUTH_COOKIE,
+} from '../constants';
 
 Cypress.Commands.add('getByTestId', (selector, ...args) => {
 	return cy.get(`[data-test-id="${selector}"]`, ...args);
@@ -51,6 +57,10 @@ Cypress.Commands.add('signin', ({ email, password }) => {
 	);
 });
 
+Cypress.Commands.add('signinAsOwner', () => {
+	cy.signin({ email: INSTANCE_OWNER.email, password: INSTANCE_OWNER.password });
+});
+
 Cypress.Commands.add('signout', () => {
 	cy.request('POST', `${BACKEND_BASE_URL}/rest/logout`);
 	cy.getCookie(N8N_AUTH_COOKIE).should('not.exist');
@@ -183,3 +193,11 @@ Cypress.Commands.add('shouldNotHaveConsoleErrors', () => {
 		cy.wrap(spy).should('not.have.been.called');
 	});
 });
+
+Cypress.Commands.add('resetDatabase', () => {
+	cy.request('POST', `${BACKEND_BASE_URL}/rest/e2e/reset`, {
+		owner: INSTANCE_OWNER,
+		members: INSTANCE_MEMBERS,
+		admin: INSTANCE_ADMIN,
+	});
+});