Port some changes from gitlab-ee!4532 back to CE

Signed-off-by: Rémy Coutable <remy@rymai.me>

features/support/env.rb

@@ -20,15 +20,16 @@ Dir["#{Rails.root}/features/steps/shared/*.rb"].each { |file| require file }
 
 Spinach.hooks.before_run do
   include RSpec::Mocks::ExampleMethods
+  include ActiveJob::TestHelper
+  include FactoryBot::Syntax::Methods
+  include GitlabRoutingHelper
+
   RSpec::Mocks.setup
   TestEnv.init(mailer: false)
 
   # skip pre-receive hook check so we can use
   # web editor and merge
   TestEnv.disable_pre_receive
-
-  include FactoryBot::Syntax::Methods
-  include GitlabRoutingHelper
 end
 
 Spinach.hooks.after_scenario do |scenario_data, step_definitions|

spec/support/fixture_helpers.rb

 module FixtureHelpers
-  def fixture_file(filename)
+  def fixture_file(filename, dir: '')
     return '' if filename.blank?
 
-    File.read(expand_fixture_path(filename))
+    File.read(expand_fixture_path(filename, dir: dir))
   end
 
-  def expand_fixture_path(filename)
-    File.expand_path(Rails.root.join('spec/fixtures/', filename))
+  def expand_fixture_path(filename, dir: '')
+    File.expand_path(Rails.root.join(dir, 'spec', 'fixtures', filename))
   end
 end