Feat: nested collections (#3716)

cypress/utils/steps.js

@@ -76,7 +76,7 @@ function assertColorOn(cssProperty, color, opts) {
 }
 
 function exitEditor() {
-  cy.contains('a[href^="#/collections/"]', 'Writing in').click();
+  cy.contains('a', 'Writing in').click();
 }
 
 function goToWorkflow() {
@@ -684,4 +684,6 @@ module.exports = {
   duplicatePostAndPublish,
   publishAndCreateNewEntryInEditor,
   publishAndDuplicateEntryInEditor,
+  assertNotification,
+  assertFieldValidationError,
 };