chore(apr25): update cypress tests to check error route

Author: piyook

cypress/e2e/error-endpoint-spec.cy.ts

@@ -0,0 +1,24 @@
+describe('default mock error endpoint works as expected', () => {
+    it('checks default error endpoint is running', () => {
+        cy.request({ url: '/api/error', failOnStatusCode: false }).then(
+            (response) => {
+                expect(response.status).to.eq(404);
+                expect(response.body).to.be.jsonSchema({
+                    error: '404: Not Found',
+                });
+            },
+        );
+    });
+
+    it('checks default error endpoint is running', () => {
+        cy.request({
+            url: '/api/error?status=500&message=Internal%20Server%20Error',
+            failOnStatusCode: false,
+        }).then((response) => {
+            expect(response.status).to.eq(500);
+            expect(response.body).to.be.jsonSchema({
+                error: '500: Internal Server Error',
+            });
+        });
+    });
+});

cypress/e2e/server-page-spec.cy.ts

@@ -10,6 +10,7 @@ describe('Server page contains expected information', () => {
             '/api/posts',
             '/api/users',
             '/api/videos',
+            '/api/error',
         ];
         cy.visit('/');
         cy.get('h1').contains('Running');