Redirect to learn gitlab experiment when available

In the `onboarding_issues` experiment, we create the "Learn GitLab"
project, which we now redirect to by default when it exists

app/controllers/registrations/experience_levels_controller.rb

@@ -15,7 +15,7 @@ module Registrations
       if current_user.save
         hide_advanced_issues
 
-        if experiment_enabled?(:default_to_issues_board) && learn_gitlab.available?
+        if learn_gitlab.available?
           redirect_to namespace_project_board_path(params[:namespace_path], learn_gitlab.project, learn_gitlab.board)
         else
           redirect_to group_path(params[:namespace_path])

config/feature_flags/experiment/default_to_issues_board_experiment_percentage.yml

----
-name: default_to_issues_board_experiment_percentage
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/43939
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/268298
-milestone: '13.5'
-type: experiment
-group: group::conversion
-default_enabled: true

ee/spec/features/registrations/user_sees_new_onboarding_flow_spec.rb

@@ -46,6 +46,10 @@ RSpec.describe 'User sees new onboarding flow', :js do
     click_on 'Show me the basics'
 
     expect(page).to have_content('Learn GitLab')
+    expect(page).to have_css('.selectable', text: 'Label = ~Novice')
+
+    visit group_path('test')
+
     expect(page).to have_css('.popover', text: 'Here are all your projects in your group, including the one you just created. To start, let’s take a look at your personalized learning project which will help you learn about GitLab at your own pace. 1 / 2')
 
     click_on 'Learn GitLab'
@@ -56,9 +60,5 @@ RSpec.describe 'User sees new onboarding flow', :js do
     page.find('.nav-item-name', text: 'Issues').click
 
     expect(page).to have_css('.popover', text: 'Go to Issues > Boards to access your personalized learning issue board. 2 / 2')
-
-    click_on 'Boards'
-
-    expect(page).to have_css('.selectable', text: 'Label = ~Novice')
   end
 end

lib/gitlab/experimentation.rb

@@ -70,10 +70,6 @@ module Gitlab
         tracking_category: 'Growth::Conversion::Experiment::GroupOnlyTrials',
         use_backwards_compatible_subject_index: true
       },
-      default_to_issues_board: {
-        tracking_category: 'Growth::Conversion::Experiment::DefaultToIssuesBoard',
-        use_backwards_compatible_subject_index: true
-      },
       jobs_empty_state: {
         tracking_category: 'Growth::Activation::Experiment::JobsEmptyState'
       },

spec/controllers/registrations/experience_levels_controller_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 RSpec.describe Registrations::ExperienceLevelsController do
+  include AfterNextHelpers
+
   let_it_be(:namespace) { create(:group, path: 'group-path' ) }
   let_it_be(:user) { create(:user) }
 
@@ -45,6 +47,9 @@ RSpec.describe Registrations::ExperienceLevelsController do
     end
 
     context 'with an authenticated user' do
+      let_it_be(:project) { build(:project, namespace: namespace, creator: user, path: 'project-path') }
+      let_it_be(:issues_board) { build(:board, id: 123, project: project) }
+
       before do
         sign_in(user)
         stub_experiment_for_subject(onboarding_issues: true)
@@ -85,91 +90,57 @@ RSpec.describe Registrations::ExperienceLevelsController do
           end
         end
 
-        describe 'redirection' do
-          let(:project) { build(:project, namespace: namespace, creator: user, path: 'project-path') }
-          let(:issues_board) { build(:board, id: 123, project: project) }
+        context 'when "Learn GitLab" project exists' do
+          let(:learn_gitlab_available?) { true }
 
           before do
-            stub_experiment_for_subject(
-              onboarding_issues: true,
-              default_to_issues_board: default_to_issues_board_xp?
-            )
             allow_next_instance_of(LearnGitlab) do |learn_gitlab|
               allow(learn_gitlab).to receive(:available?).and_return(learn_gitlab_available?)
               allow(learn_gitlab).to receive(:project).and_return(project)
               allow(learn_gitlab).to receive(:board).and_return(issues_board)
+              allow(learn_gitlab).to receive(:label).and_return(double(id: 1))
             end
           end
 
-          context 'when namespace_path param is missing' do
-            let(:params) { super().merge(namespace_path: nil) }
-
-            where(
-              default_to_issues_board_xp?: [true, false],
-              learn_gitlab_available?: [true, false]
-            )
-
-            with_them do
-              it { is_expected.to redirect_to('/') }
-            end
-          end
-
-          context 'when we have a namespace_path param' do
-            using RSpec::Parameterized::TableSyntax
+          context 'redirection' do
+            context 'when namespace_path param is missing' do
+              let(:params) { super().merge(namespace_path: nil) }
 
-            where(:default_to_issues_board_xp?, :learn_gitlab_available?, :path) do
-              true  | true  | '/group-path/project-path/-/boards/123'
-              true  | false | '/group-path'
-              false | true  | '/group-path'
-              false | false | '/group-path'
-            end
+              where(
+                learn_gitlab_available?: [true, false]
+              )
 
-            with_them do
-              it { is_expected.to redirect_to(path) }
-            end
-          end
-        end
-
-        describe 'applying the chosen level' do
-          context 'when a "Learn GitLab" project is available' do
-            before do
-              allow_next_instance_of(LearnGitlab) do |learn_gitlab|
-                allow(learn_gitlab).to receive(:available?).and_return(true)
-                allow(learn_gitlab).to receive(:label).and_return(double(id: 1))
+              with_them do
+                it { is_expected.to redirect_to('/') }
               end
             end
 
-            context 'when novice' do
-              let(:params) { super().merge(experience_level: :novice) }
+            context 'when we have a namespace_path param' do
+              using RSpec::Parameterized::TableSyntax
 
-              it 'adds a BoardLabel' do
-                expect_next_instance_of(Boards::UpdateService) do |service|
-                  expect(service).to receive(:execute)
-                end
-
-                subject
+              where(:learn_gitlab_available?, :path) do
+                true  | '/group-path/project-path/-/boards/123'
+                false | '/group-path'
               end
-            end
-
-            context 'when experienced' do
-              let(:params) { super().merge(experience_level: :experienced) }
 
-              it 'does not add a BoardLabel' do
-                expect(Boards::UpdateService).not_to receive(:new)
-
-                subject
+              with_them do
+                it { is_expected.to redirect_to(path) }
               end
             end
           end
 
-          context 'when no "Learn GitLab" project exists' do
+          context 'when novice' do
             let(:params) { super().merge(experience_level: :novice) }
 
-            before do
-              allow_next_instance_of(LearnGitlab) do |learn_gitlab|
-                allow(learn_gitlab).to receive(:available?).and_return(false)
-              end
+            it 'adds a BoardLabel' do
+              expect_next(Boards::UpdateService).to receive(:execute)
+
+              subject
             end
+          end
+
+          context 'when experienced' do
+            let(:params) { super().merge(experience_level: :experienced) }
 
             it 'does not add a BoardLabel' do
               expect(Boards::UpdateService).not_to receive(:new)
@@ -178,6 +149,20 @@ RSpec.describe Registrations::ExperienceLevelsController do
             end
           end
         end
+
+        context 'when no "Learn GitLab" project exists' do
+          let(:params) { super().merge(experience_level: :novice) }
+
+          before do
+            allow_next(LearnGitlab).to receive(:available?).and_return(false)
+          end
+
+          it 'does not add a BoardLabel' do
+            expect(Boards::UpdateService).not_to receive(:new)
+
+            subject
+          end
+        end
       end
 
       context 'when user update fails' do

spec/lib/gitlab/experimentation_spec.rb

@@ -15,8 +15,7 @@ RSpec.describe Gitlab::Experimentation::EXPERIMENTS do
       :invite_members_empty_group_version_a,
       :contact_sales_btn_in_app,
       :customize_homepage,
-      :group_only_trials,
-      :default_to_issues_board
+      :group_only_trials
     ]
 
     backwards_compatible_experiment_keys = described_class.filter { |_, v| v[:use_backwards_compatible_subject_index] }.keys