diff --git a/client/cypress/e2e/frontend/read-only/assignment.student.spec.js b/client/cypress/e2e/frontend/read-only/assignment.student.spec.js
index fced58b9..bfa1477f 100644
--- a/client/cypress/e2e/frontend/read-only/assignment.student.spec.js
+++ b/client/cypress/e2e/frontend/read-only/assignment.student.spec.js
@@ -57,6 +57,7 @@ const getOperations = ({ final, readOnly, classReadOnly = false }) => ({
       },
     },
   },
+  UpdateAssignmentWithSuccess: {},
 });
 
 describe('Assignments read-only - Student', () => {
@@ -70,7 +71,7 @@ describe('Assignments read-only - Student', () => {
     });
     cy.visit('module/module-with-assignment');
 
-    cy.get('.submission-form__textarea').as('textarea');
+    cy.getByDataCy('submission-textarea').as('textarea');
 
     cy.get('@textarea').invoke('val').should('contain', myText);
     cy.get('@textarea').clear().type('Hello');