describe('Home page', () => {beforeEach(() => {cy.fixture('courses.json').as('coursesJSON'); // Load a fixed set of data located in a file.cy.server();cy.route('/api/courses','@coursesJSON').as('courses');cy.visit('/'); });it('Should display a list of courses', () => {cy.contains("All Courses");cy.wait('@courses');cy.get('mat-card').should('have.length',9); });it('should display the advanced courses', () => {cy.get('.mat-tab-label').should("have.length",2);cy.get('.mat-tab-label').last().click();cy.get('.mat-tab-body-active .mat-card-title').its('length').should('be.gt',1);cy.get('.mat-tab-body-active .mat-card-title').first().should('contain',"Angular Security Course"); });});