Fix redirect after signing in

For now I'm making it redirect to the first tab on the Admin dashboard
but we may want to change that later.

Author: Oli0li

app/controllers/concerns/authentication.rb

@@ -35,7 +35,7 @@ def request_authentication
     end
 
     def after_authentication_url
-      session.delete(:return_to_after_authenticating) || root_url
+      session.delete(:return_to_after_authenticating) || regions_url
     end
 
     def start_new_session_for(user)

spec/system/login_spec.rb

@@ -1,19 +1,19 @@
 require "rails_helper"
 
 RSpec.describe "User Login", type: :system do
+  # will probably need to be amended once we have a page for non-Admin users
   let!(:user) { create(:user) }
 
-  # context "with correct email and password" do
-  #   it "logs in the user" do
-  #     visit new_session_path
-  #     fill_in "email", with: user.email
-  #     fill_in "password", with: user.password
-  #     click_button("Sign in")
+  context "with correct email and password" do
+    it "logs in the user" do
+      visit new_session_path
+      fill_in "email", with: user.email
+      fill_in "password", with: user.password
+      click_button("Sign in")
 
-  #     # will probably need to be amended once we have a page for non-Admin users
-  #     expect(page).to have_text("Administration")
-  #   end
-  # end
+      expect(page).to have_text("Regions Served")
+    end
+  end
 
   context "with incorrect email or password" do
     it "shows error message" do