fix: run end-to-end test locally

Author: JulienDemarque

cypress/integration/first-test_spec.js

@@ -1,6 +1,6 @@
 describe('Our Url ', function() {
   it('opens', function() {
-    cy.visit('https://lucid-franklin-367702.netlify.com/');
+    cy.visit('http://localhost:8080/');
     cy.contains('Javascript').click();
     cy.url().should('include', '/javascript');
     cy.contains('Simple Add').click();

package.json

@@ -10,7 +10,7 @@
     "start": "node server.js",
     "build": "webpack",
     "dev": "webpack-dev-server",
-    "test": "yarn run cypress run",
+    "test": "yarn dev & wait-on http://localhost:8080 & yarn run cypress run",
     "lint": "eslint src -c .eslintrc.json --ext js,jsx",
     "precommit": "yarn run lint"
   },