Fixed the flaky tests

All of these are related to the way we have
to fetch content of an editor in the feature
specs

spec/features/projects/files/dockerfile_dropdown_spec.rb

@@ -2,7 +2,9 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Projects > Files > User wants to add a Dockerfile file', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/299405' do
+RSpec.describe 'Projects > Files > User wants to add a Dockerfile file', :js do
+  include Spec::Support::Helpers::Features::EditorLiteSpecHelpers
+
   before do
     project = create(:project, :repository)
     sign_in project.owner
@@ -24,6 +26,6 @@ RSpec.describe 'Projects > Files > User wants to add a Dockerfile file', quarant
     wait_for_requests
 
     expect(page).to have_css('.dockerfile-selector .dropdown-toggle-text', text: 'Apply a template')
-    expect(page).to have_content('COPY ./ /usr/local/apache2/htdocs/')
+    expect(editor_get_value).to have_content('COPY ./ /usr/local/apache2/htdocs/')
   end
 end

spec/features/projects/files/gitignore_dropdown_spec.rb

@@ -2,7 +2,9 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Projects > Files > User wants to add a .gitignore file', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/299405' do
+RSpec.describe 'Projects > Files > User wants to add a .gitignore file', :js do
+  include Spec::Support::Helpers::Features::EditorLiteSpecHelpers
+
   before do
     project = create(:project, :repository)
     sign_in project.owner
@@ -24,7 +26,7 @@ RSpec.describe 'Projects > Files > User wants to add a .gitignore file', quarant
     wait_for_requests
 
     expect(page).to have_css('.gitignore-selector .dropdown-toggle-text', text: 'Apply a template')
-    expect(page).to have_content('/.bundle')
-    expect(page).to have_content('config/initializers/secret_token.rb')
+    expect(editor_get_value).to have_content('/.bundle')
+    expect(editor_get_value).to have_content('config/initializers/secret_token.rb')
   end
 end

spec/features/projects/files/gitlab_ci_syntax_yml_dropdown_spec.rb

@@ -2,7 +2,9 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file' do
+RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file', :js do
+  include Spec::Support::Helpers::Features::EditorLiteSpecHelpers
+
   before do
     project = create(:project, :repository)
     sign_in project.owner
@@ -34,8 +36,7 @@ RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file' do
     let(:experiment_active) { true }
     let(:in_experiment_group) { true }
 
-    it 'allows the user to pick a "Learn CI/CD syntax" template from the dropdown', :js,
-       { quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/297347' } } do
+    it 'allows the user to pick a "Learn CI/CD syntax" template from the dropdown', :js do
       expect(page).to have_css('.gitlab-ci-syntax-yml-selector')
 
       find('.js-gitlab-ci-syntax-yml-selector').click
@@ -50,7 +51,7 @@ RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file' do
       wait_for_requests
 
       expect(page).to have_css('.gitlab-ci-syntax-yml-selector .dropdown-toggle-text', text: 'Learn CI/CD syntax')
-      expect(page).to have_content('You can use artifacts to pass data to jobs in later stages.')
+      expect(editor_get_value).to have_content('You can use artifacts to pass data to jobs in later stages.')
     end
   end
 end

spec/features/projects/files/gitlab_ci_yml_dropdown_spec.rb

@@ -2,7 +2,9 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/299405' do
+RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file', :js do
+  include Spec::Support::Helpers::Features::EditorLiteSpecHelpers
+
   before do
     project = create(:project, :repository)
     sign_in project.owner
@@ -24,7 +26,7 @@ RSpec.describe 'Projects > Files > User wants to add a .gitlab-ci.yml file', qua
     wait_for_requests
 
     expect(page).to have_css('.gitlab-ci-yml-selector .dropdown-toggle-text', text: 'Apply a template')
-    expect(page).to have_content('This file is a template, and might need editing before it works on your project')
-    expect(page).to have_content('jekyll build -d test')
+    expect(editor_get_value).to have_content('This file is a template, and might need editing before it works on your project')
+    expect(editor_get_value).to have_content('jekyll build -d test')
   end
 end