Okay, I guess we just needed a long timeout.

e2e.js

@@ -31,9 +31,6 @@ const runCommand = (command) => {
   return cy.exec(command, {
     env: env || {},
     timeout: 240000,
-    failOnNonZeroExit: false
-  }).then((process) => {
-    expect(process.code).to.equal(0, process.stdout + process.stderr);
   });
 };
 

recipes/drupal_cms_forms/tests/e2e/contact_form.cy.js

@@ -12,7 +12,8 @@ describe('Contact form', () => {
     // Ensure the viewport is wide enough to see the main menu links.
     cy.viewport('macbook-13');
     // Use the main menu link to visit the contact form.
-    cy.findByText('Main navigation')
+    cy.visit('/')
+        .getByText('Main navigation')
         .parent()
         .find('a:contains("Contact")')
         .click();