add test for no carriers to display

cypress/e2e/carriers.cy.js

@@ -1,8 +1,6 @@
 describe('freight carriers', () => {
-    beforeEach(() => {
-        cy.exec('npm run db:seed')
-    })
     it('creates freight carrier', () => {
+        cy.exec('npm run db:seed')
         cy.visit('/freight_carriers')
         cy.get('input[name=companyName]').type('test company')
         cy.get('input[name=contact_person]').type('Joe Shmoe')
@@ -12,4 +10,9 @@ describe('freight carriers', () => {
         cy.url().should('include', '/freight_carriers')
         cy.get('table').contains('test company')
     })
+    it('shows message if no carriers to display', () => {
+        cy.exec('npm run db:wipe')
+        cy.visit('/freight_carriers')
+        cy.contains('No Carriers to Display')
+    })
 })

templates/carriers.html.twig

@@ -39,6 +39,8 @@
       {% endfor %}
     </tbody>
   </table>
+  {% else %}
+  <p>No Carriers to Display</p>
   {% endif %}
 </body>
 </html>