rename factory_girl_(rails) to factory_bot_(rails)

spec/features/authorization_spec.rb

@@ -2,7 +2,7 @@ require 'rails_helper'
 
 describe 'Authorization' do
   context 'as an admin' do
-    let(:user) { FactoryGirl.create(:admin) }
+    let(:user) { FactoryBot.create(:admin) }
     before(:each) { allow_any_instance_of(ApplicationController).to receive(:current_user).and_return(user) }
 
     [Consumer, ExecutionEnvironment, Exercise, FileType, InternalUser].each do |model|
@@ -11,7 +11,7 @@ describe 'Authorization' do
   end
 
   context 'as an external user' do
-    let(:user) { FactoryGirl.create(:external_user) }
+    let(:user) { FactoryBot.create(:external_user) }
     before(:each) { allow_any_instance_of(ApplicationController).to receive(:current_user).and_return(user) }
 
     [Consumer, ExecutionEnvironment, Exercise, FileType, InternalUser].each do |model|
@@ -20,7 +20,7 @@ describe 'Authorization' do
   end
 
   context 'as a teacher' do
-    let(:user) { FactoryGirl.create(:teacher) }
+    let(:user) { FactoryBot.create(:teacher) }
     before(:each) { allow_any_instance_of(ApplicationController).to receive(:current_user).and_return(user) }
 
     [Consumer, InternalUser].each do |model|