Fix failing specs due to triggered Member callback

The failing spec already stub an exclusive lease and with the triggered
Member callback another exclusive lease is created which leads to the
failing specs.

ee/spec/services/geo/design_repository_sync_service_spec.rb

@@ -8,7 +8,8 @@ describe Geo::DesignRepositorySyncService do
 
   let_it_be(:primary) { create(:geo_node, :primary) }
   let_it_be(:secondary) { create(:geo_node) }
-  let_it_be(:project) { create(:project_empty_repo) }
+  let(:user) { create(:user) }
+  let(:project) { create(:project_empty_repo, namespace: create(:namespace, owner: user)) }
 
   let(:repository) { project.design_repository }
   let(:lease_key) { "geo_sync_service:design:#{project.id}" }
@@ -27,6 +28,8 @@ describe Geo::DesignRepositorySyncService do
     let(:url_to_repo) { "#{primary.url}#{project.full_path}.design.git" }
 
     before do
+      allow_any_instance_of(Member).to receive(:update_highest_role) # avoid stubbing exclusive lease for this method
+
       stub_exclusive_lease(lease_key, lease_uuid)
       stub_exclusive_lease("geo_project_housekeeping:#{project.id}")
 

spec/workers/cluster_update_app_worker_spec.rb

@@ -47,11 +47,11 @@ describe ClusterUpdateAppWorker do
     end
 
     context 'with exclusive lease' do
+      let_it_be(:user) { create(:user) }
       let(:application) { create(:clusters_applications_prometheus, :installed) }
       let(:lease_key) { "#{described_class.name.underscore}-#{application.id}" }
 
       before do
-        allow(Gitlab::ExclusiveLease).to receive(:new)
         stub_exclusive_lease_taken(lease_key)
       end
 
@@ -61,8 +61,10 @@ describe ClusterUpdateAppWorker do
         subject.perform(application.name, application.id, project.id, Time.now)
       end
 
-      it 'does not allow same app to be updated concurrently by different project' do
-        project1 = create(:project)
+      it 'does not allow same app to be updated concurrently by different project', :aggregate_failures do
+        stub_exclusive_lease("refresh_authorized_projects:#{user.id}")
+        stub_exclusive_lease("update_highest_role:#{user.id}")
+        project1 = create(:project, namespace: create(:namespace, owner: user))
 
         expect(Clusters::Applications::PrometheusUpdateService).not_to receive(:new)
 
@@ -81,10 +83,13 @@ describe ClusterUpdateAppWorker do
         subject.perform(application2.name, application2.id, project.id, Time.now)
       end
 
-      it 'allows different app to be updated by different project' do
+      it 'allows different app to be updated by different project', :aggregate_failures do
         application2 = create(:clusters_applications_prometheus, :installed)
         lease_key2 = "#{described_class.name.underscore}-#{application2.id}"
-        project2 = create(:project)
+
+        stub_exclusive_lease("refresh_authorized_projects:#{user.id}")
+        stub_exclusive_lease("update_highest_role:#{user.id}")
+        project2 = create(:project, namespace: create(:namespace, owner: user))
 
         stub_exclusive_lease(lease_key2)