Added first e2e test

package.json

 {
   "name": "rails_react_recipe",
   "private": true,
+  "scripts": {
+    "test": "jest",
+    "test-watch": "jest --watch"
+  },
   "dependencies": {
     "@babel/preset-react": "^7.10.4",
     "@rails/webpacker": "4.3.0",
@@ -16,5 +20,10 @@
   "devDependencies": {
     "jest": "^26.4.2",
     "webpack-dev-server": "^3.11.0"
+  },
+  "jest": {
+    "roots": [
+      "test/javascript"
+    ]
   }
 }

spec/features/homepage._spec.rb

-require "rails_helper"
-
-RSpec.feature "Application Running", :type => :feature do
-    scenario "Application should run respond to view recipe button" do
-      visit "/"
-  
-      click_button "View Recipes"
-  
-      expect(page).to have_text("Recipes for every occasion")
-    end
+describe "GET '/' - from API", :type => :feature do
+  it 'checks the application renders or not' do
+    visit('http://localhost:3000/')
+    expect(page.title).to eq("RailsReactRecipe")
+  end
 end
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