Replace Protrator e2e tests with Cypress. Move all existing tests to Cypress & add basic Deque Axe integration.

cypress/integration/homepage.spec.ts

@@ -0,0 +1,37 @@
+describe('Homepage', () => {
+  beforeEach(() => {
+    // All tests start with visiting homepage
+    cy.visit('/');
+  });
+
+  it('should display translated title "DSpace Angular :: Home"', () => {
+    cy.title().should('eq', 'DSpace Angular :: Home');
+  });
+
+  it('should contain a news section', () => {
+    cy.get('ds-home-news').should('be.visible');
+  });
+
+  it('should have a working search box', () => {
+    const queryString = 'test';
+    cy.get('ds-search-form input[name="query"]').type(queryString);
+    cy.get('ds-search-form button.search-button').click();
+    cy.url().should('include', '/search');
+    cy.url().should('include', 'query=' + encodeURI(queryString));
+  });
+
+  it('should pass accessibility tests', () => {
+    // first must inject Axe into current page
+    cy.injectAxe();
+
+    // Analyze entire page for accessibility issues
+    // NOTE: this test checks accessibility of header/footer as well
+    cy.checkA11y({
+      exclude: [
+        ['#klaro'],                   // Klaro plugin (privacy policy popup) has color contrast issues
+        ['#search-navbar-container'], // search in navbar has duplicative ID. Will be fixed in #1174
+        ['.dropdownLogin']            // "Log in" link in header has color contrast issues
+      ],
+    });
+  });
+});