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/features/authentication_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'Authentication' do
+RSpec.describe 'Authentication' do
   let(:user) { create(:admin) }
   let(:password) { attributes_for(:admin)[:password] }
 

spec/features/authorization_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'Authorization' do
+RSpec.describe 'Authorization' do
   before { allow(Runner.strategy_class).to receive(:available_images).and_return([]) }
 
   context 'when being an admin' do

spec/features/editor_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'Editor', :js do
+RSpec.describe 'Editor', :js do
   let(:exercise) { create(:audio_video, description: Forgery(:lorem_ipsum).sentence) }
   let(:scoring_response) do
     [{

spec/features/external_user_statistics_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'ExternalUserStatistics', :js do
+RSpec.describe 'ExternalUserStatistics', :js do
   let(:learner) { create(:external_user) }
   let(:exercise) { create(:dummy, user:) }
   let(:study_group) { create(:study_group) }

spec/features/factories_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'Factories' do
+RSpec.describe 'Factories' do
   it 'are all valid', permitted_execution_time: 30 do
     expect { FactoryBot.lint }.not_to raise_error
   end

spec/features/prometheus/controller_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe Prometheus::Controller do
+RSpec.describe Prometheus::Controller do
   let(:codeocean_config) { instance_double(CodeOcean::Config) }
   let(:prometheus_config) { {prometheus_exporter: {enabled: true}} }
 

spec/features/request_for_comments_filter_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-describe 'Request_for_Comments' do
+RSpec.describe 'Request_for_Comments' do
   let(:user) { create(:teacher) }
 
   before do