Align project files with CodeHarbor

Since both projects are developed together and by the same team, we also want to have the same code structure and utility methods available in both projects. Therefore, this commit changes many files, but without a functional change.

spec/controllers/internal_users_controller_spec.rb

@@ -2,13 +2,14 @@
 
 require 'rails_helper'
 
-describe InternalUsersController do
+RSpec.describe InternalUsersController do
   render_views
 
-  let(:user) { create(:admin) }
+  let(:consumer) { create(:consumer) }
+  let(:user) { create(:admin, consumer:) }
 
   describe 'GET #activate' do
-    let(:user) { InternalUser.create(attributes_for(:teacher)) }
+    let(:user) { InternalUser.create(attributes_for(:teacher).merge(consumer:)) }
 
     before do
       user.send(:setup_activation)
@@ -40,7 +41,7 @@ describe InternalUsersController do
   end
 
   describe 'PUT #activate' do
-    let(:user) { InternalUser.create(build(:teacher).attributes) }
+    let(:user) { InternalUser.create(build(:teacher, consumer:).attributes) }
     let(:password) { SecureRandom.hex }
 
     before do
@@ -145,8 +146,8 @@ describe InternalUsersController do
   end
 
   describe 'DELETE #destroy' do
-    let(:second_user) { create(:teacher) }
-    let(:third_user) { create(:teacher) }
+    let(:second_user) { create(:teacher, consumer:) }
+    let(:third_user) { create(:teacher, consumer:) }
 
     before do
       allow(controller).to receive(:current_user).and_return(user)