Added test for dashboard

test/dashboard_test.rb

@@ -0,0 +1,8 @@
+require_relative "test_helper"
+
+class DashboardTest < ActionDispatch::IntegrationTest
+  def test_root
+    get field_test_engine.root_path
+    assert_response :success
+  end
+end

test/internal/config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
   resources :users, only: [:index]
   get "exclude", to: "users#exclude"
+  mount FieldTest::Engine, at: "field_test"
 end