Remove code related to object hierarchy in MySQL

These are not required because MySQL is not
supported anymore

spec/features/projects/members/invite_group_spec.rb

@@ -58,7 +58,7 @@ describe 'Project > Members > Invite group', :js do
       end
     end
-    context 'for a project in a subgroup', :nested_groups do
+    context 'for a project in a subgroup' do
       let!(:group_to_share_with) { create(:group) }
       let(:root_group) { create(:group) }
       let(:subgroup) { create(:group, parent: root_group) }
@@ -181,7 +181,7 @@ describe 'Project > Members > Invite group', :js do
         group_to_share_with.add_maintainer(maintainer)
       end
-      it 'the groups dropdown does not show ancestors', :nested_groups do
+      it 'the groups dropdown does not show ancestors' do
         visit project_settings_members_path(project)
         click_on 'invite-group-tab'

spec/features/projects/new_project_spec.rb

@@ -294,7 +294,7 @@ describe 'New project' do
         end
       end
-      context 'from manifest file', :postgresql do
+      context 'from manifest file' do
         before do
           first('.import_manifest').click
         end

spec/features/projects/settings/pipelines_settings_spec.rb

@@ -126,7 +126,7 @@ describe "Projects > Settings > Pipelines settings" do
           end
         end
-        context 'when auto devops is turned on group parent level', :nested_groups do
+        context 'when auto devops is turned on group parent level' do
           before do
             group = create(:group, parent: create(:group, :auto_devops_enabled))
             project.update!(namespace: group)

spec/features/projects/settings/user_transfers_a_project_spec.rb

@@ -68,7 +68,7 @@ describe 'Projects > Settings > User transfers a project', :js do
     end
   end
-  context 'when nested groups are available', :nested_groups do
+  context 'when nested groups are available' do
     it 'allows transferring a project to a subgroup' do
       subgroup = create(:group, parent: group)

spec/features/projects/sub_group_issuables_spec.rb

 require 'spec_helper'
-describe 'Subgroup Issuables', :js, :nested_groups do
+describe 'Subgroup Issuables', :js do
   let!(:group)    { create(:group, name: 'group') }
   let!(:subgroup) { create(:group, parent: group, name: 'subgroup') }
   let!(:project)  { create(:project, namespace: subgroup, name: 'project') }

spec/features/projects/user_creates_project_spec.rb

@@ -26,7 +26,7 @@ describe 'User creates a project', :js do
     expect(page).to have_content(project.url_to_repo)
   end
-  context 'in a subgroup they do not own', :nested_groups do
+  context 'in a subgroup they do not own' do
     let(:parent) { create(:group) }
     let!(:subgroup) { create(:group, parent: parent) }

spec/features/projects_spec.rb

@@ -314,7 +314,7 @@ describe 'Project' do
       end
     end
-    context 'for subgroups', :js, :nested_groups do
+    context 'for subgroups', :js do
       let(:group) { create(:group) }
       let(:subgroup) { create(:group, parent: group) }
       let(:project) { create(:project, :repository, group: subgroup) }

spec/finders/autocomplete/users_finder_spec.rb

@@ -50,7 +50,7 @@ describe Autocomplete::UsersFinder do
       it { is_expected.to match_array([user1]) }
     end
-    context 'when passed a subgroup', :nested_groups do
+    context 'when passed a subgroup' do
       let(:grandparent) { create(:group, :public) }
       let(:parent) { create(:group, :public, parent: grandparent) }
       let(:child) { create(:group, :public, parent: parent) }

spec/finders/cluster_ancestors_finder_spec.rb

@@ -32,7 +32,7 @@ describe ClusterAncestorsFinder, '#execute' do
       is_expected.to eq([project_cluster, group_cluster, instance_cluster])
     end
-    context 'nested groups', :nested_groups do
+    context 'nested groups' do
       let(:group) { create(:group, parent: parent_group) }
       let(:parent_group) { create(:group) }
@@ -65,7 +65,7 @@ describe ClusterAncestorsFinder, '#execute' do
       is_expected.to eq([group_cluster, instance_cluster])
     end
-    context 'nested groups', :nested_groups do
+    context 'nested groups' do
       let(:group) { create(:group, parent: parent_group) }
       let(:parent_group) { create(:group) }

spec/finders/group_descendants_finder_spec.rb

@@ -19,7 +19,7 @@ describe GroupDescendantsFinder do
       expect(finder.has_children?).to be_truthy
     end
-    context 'when there are subgroups', :nested_groups do
+    context 'when there are subgroups' do
       it 'is true when there are projects' do
         create(:group, parent: group)
@@ -99,7 +99,7 @@ describe GroupDescendantsFinder do
         )
       end
-      context 'with nested groups', :nested_groups do
+      context 'with nested groups' do
         let!(:subgroup1) { create(:group, parent: group, name: 'a', path: 'sub-a') }
         let!(:subgroup2) { create(:group, parent: group, name: 'z', path: 'sub-z') }
@@ -126,7 +126,7 @@ describe GroupDescendantsFinder do
     end
   end
-  context 'with nested groups', :nested_groups do
+  context 'with nested groups' do
     let!(:project) { create(:project, namespace: group) }
     let!(:subgroup) { create(:group, :private, parent: group) }

spec/finders/group_members_finder_spec.rb

@@ -18,7 +18,7 @@ describe GroupMembersFinder, '#execute' do
     expect(result.to_a).to match_array([member3, member2, member1])
   end
-  it 'returns members for nested group', :nested_groups do
+  it 'returns members for nested group' do
     group.add_developer(user2)
     nested_group.request_access(user4)
     member1 = group.add_maintainer(user1)
@@ -30,7 +30,7 @@ describe GroupMembersFinder, '#execute' do
     expect(result.to_a).to match_array([member1, member3, member4])
   end
-  it 'returns members for descendant groups if requested', :nested_groups do
+  it 'returns members for descendant groups if requested' do
     member1 = group.add_maintainer(user2)
     member2 = group.add_maintainer(user1)
     nested_group.add_maintainer(user2)

spec/finders/group_projects_finder_spec.rb

@@ -19,7 +19,7 @@ describe GroupProjectsFinder do
     context "only owned" do
       let(:options) { { only_owned: true } }
-      context 'with subgroups projects', :nested_groups do
+      context 'with subgroups projects' do
         before do
           options[:include_subgroups] = true
         end
@@ -33,7 +33,7 @@ describe GroupProjectsFinder do
     end
     context "all" do
-      context 'with subgroups projects', :nested_groups do
+      context 'with subgroups projects' do
         before do
           options[:include_subgroups] = true
         end
@@ -78,7 +78,7 @@ describe GroupProjectsFinder do
           subgroup_private_project.add_maintainer(current_user)
         end
-        context 'with subgroups projects', :nested_groups do
+        context 'with subgroups projects' do
           before do
             options[:include_subgroups] = true
           end
@@ -96,7 +96,7 @@ describe GroupProjectsFinder do
           current_user.update(external: true)
         end
-        context 'with subgroups projects', :nested_groups do
+        context 'with subgroups projects' do
           before do
             options[:include_subgroups] = true
           end
@@ -111,7 +111,7 @@ describe GroupProjectsFinder do
     end
     context "all" do
-      context 'with subgroups projects', :nested_groups do
+      context 'with subgroups projects' do
         before do
           options[:include_subgroups] = true
         end
@@ -153,7 +153,7 @@ describe GroupProjectsFinder do
     context "only owned" do
       let(:options) { { only_owned: true } }
-      context 'with subgroups projects', :nested_groups do
+      context 'with subgroups projects' do
         before do
           options[:include_subgroups] = true
         end

spec/finders/groups_finder_spec.rb

@@ -65,7 +65,7 @@ describe GroupsFinder do
       end
     end
-    context 'subgroups', :nested_groups do
+    context 'subgroups' do
       let(:user) { create(:user) }
       let!(:parent_group) { create(:group, :public) }
       let!(:public_subgroup) { create(:group, :public, parent: parent_group) }

spec/finders/issues_finder_spec.rb

@@ -51,7 +51,7 @@ describe IssuesFinder do
           end
         end
-        context 'when include_subgroup param is true', :nested_groups do
+        context 'when include_subgroup param is true' do
           before do
             params[:include_subgroups] = true
           end

spec/finders/labels_finder_spec.rb

@@ -89,7 +89,7 @@ describe LabelsFinder do
         end
       end
-      context 'when including labels from group ancestors', :nested_groups do
+      context 'when including labels from group ancestors' do
         it 'returns labels from group and its ancestors' do
           private_group_1.add_developer(user)
           private_subgroup_1.add_developer(user)
@@ -108,7 +108,7 @@ describe LabelsFinder do
         end
       end
-      context 'when including labels from group descendants', :nested_groups do
+      context 'when including labels from group descendants' do
         it 'returns labels from group and its descendants' do
           private_group_1.add_developer(user)
           private_subgroup_1.add_developer(user)
@@ -128,7 +128,7 @@ describe LabelsFinder do
       end
     end
-    context 'filtering by project_id', :nested_groups do
+    context 'filtering by project_id' do
       context 'when include_ancestor_groups is true' do
         let!(:sub_project) { create(:project, namespace: private_subgroup_1 ) }
         let!(:project_label) { create(:label, project: sub_project, title: 'Label 5') }

spec/finders/members_finder_spec.rb

@@ -9,7 +9,7 @@ describe MembersFinder, '#execute' do
   set(:user3)        { create(:user) }
   set(:user4)        { create(:user) }
-  it 'returns members for project and parent groups', :nested_groups do
+  it 'returns members for project and parent groups' do
     nested_group.request_access(user1)
     member1 = group.add_maintainer(user2)
     member2 = nested_group.add_maintainer(user3)
@@ -20,7 +20,7 @@ describe MembersFinder, '#execute' do
     expect(result.to_a).to match_array([member1, member2, member3])
   end
-  it 'includes nested group members if asked', :nested_groups do
+  it 'includes nested group members if asked' do
     project = create(:project, namespace: group)
     nested_group.request_access(user1)
     member1 = group.add_maintainer(user2)
@@ -32,7 +32,7 @@ describe MembersFinder, '#execute' do
     expect(result.to_a).to match_array([member1, member2, member3])
   end
-  context 'when include_invited_groups_members == true', :nested_groups do
+  context 'when include_invited_groups_members == true' do
     subject { described_class.new(project, user2).execute(include_invited_groups_members: true) }
     set(:linked_group) { create(:group, :public, :access_requestable) }
@@ -40,7 +40,7 @@ describe MembersFinder, '#execute' do
     set(:linked_group_member) { linked_group.add_developer(user1) }
     set(:nested_linked_group_member) { nested_linked_group.add_developer(user2) }
-    it 'includes all the invited_groups members including members inherited from ancestor groups', :nested_groups do
+    it 'includes all the invited_groups members including members inherited from ancestor groups' do
       create(:project_group_link, project: project, group: nested_linked_group)
       expect(subject).to contain_exactly(linked_group_member, nested_linked_group_member)

spec/finders/merge_requests_finder_spec.rb

@@ -42,7 +42,7 @@ describe MergeRequestsFinder do
           expect(merge_requests).to contain_exactly(merge_request1, merge_request2)
         end
-        it 'filters by group including subgroups', :nested_groups do
+        it 'filters by group including subgroups' do
           params = { group_id: group.id, include_subgroups: true }
           merge_requests = described_class.new(user, params).execute

spec/finders/todos_finder_spec.rb

@@ -36,7 +36,7 @@ describe TodosFinder do
           expect(todos).to match_array([todo1])
         end
-        context 'with subgroups', :nested_groups do
+        context 'with subgroups' do
           let(:subgroup) { create(:group, parent: group) }
           let!(:todo3) { create(:todo, user: user, group: subgroup, target: issue) }

spec/graphql/resolvers/namespace_projects_resolver_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Resolvers::NamespaceProjectsResolver, :nested_groups do
+describe Resolvers::NamespaceProjectsResolver do
   include GraphqlHelpers
   let(:current_user) { create(:user) }

spec/helpers/auto_devops_helper_spec.rb

@@ -118,7 +118,7 @@ describe AutoDevopsHelper do
           it { is_expected.to eq('instance enabled') }
         end
-        context 'with groups', :nested_groups do
+        context 'with groups' do
           before do
             receiver.update(parent: parent)
           end
@@ -170,7 +170,7 @@ describe AutoDevopsHelper do
           it { is_expected.to eq('instance enabled') }
         end
-        context 'with groups', :nested_groups do
+        context 'with groups' do
           let(:receiver) { create(:project, :repository, namespace: group) }
           before do
@@ -203,7 +203,7 @@ describe AutoDevopsHelper do
           it { is_expected.to be_nil }
         end
-        context 'with groups', :nested_groups do
+        context 'with groups' do
           let(:receiver) { create(:project, :repository, namespace: group) }
           context 'when auto devops is disabled on group level' do