Test fails when I add cypressautomocker about cypressautomocker HOT 4 CLOSED

/// <reference types="Cypress" />

describe('Login', () => {
  const username = 'testuser';
  const password = 'password`
  const MOCK_FILENAME = 'groupMock';

  before(() => {
    cy.automock(MOCK_FILENAME);
  });

  beforeEach(() => {
    cy.visit('/logout');
  });

  after(() => {
    cy.automockEnd();
  });

  it('Redirects to Dashboard after logging in', () => {
    cy.visit('/login');

    cy.get('[data-testid=username]').type(username);
    cy.get('[data-testid=password').type(password);
    cy.contains(/login/i).click();

    cy.url().should('contain', '/home');
  });

  it('Displays error if incorrect username', () => {
    cy.visit('/login');

    cy.get('[data-testid=username]').type(`${username}s`);
    cy.get('[data-testid=password]').type(password);
    cy.contains(/login/i).click();

    cy.contains('Username is invalid');
    cy.url().should('not.contain', '/home');
    cy.url().should('contain', '/login');
  });

  it('Displays error if incorrect password', () => {
    cy.visit('/login');

    cy.get('[data-testid=username]').type(username);
    cy.get('[data-testid=password').type(`${password}s`);
    cy.contains(/login/i).click();

    cy.contains('Password is incorrect');
    cy.url().should('not.contain', '/home');
    cy.url().should('contain', '/login');
  });

  it('Redirects when forgotten password clicked', () => {
    cy.visit('/login');

    cy.contains(/forgotten password/i).click();

    cy.url().should('contain', '/forgotten');
  });
});