Improve spec for Geo::RepositoriesCleanUpWorker

spec/workers/geo/repositories_clean_up_worker_spec.rb

 require 'spec_helper'
 
 describe Geo::RepositoriesCleanUpWorker do
-  let!(:geo_node)  { create(:geo_node) }
-  let(:group)      { create(:group) }
-  let!(:project_1) { create(:project, group: group) }
-  let!(:project_2) { create(:project) }
+  let!(:geo_node) { create(:geo_node) }
+  let(:synced_group) { create(:group) }
+  let!(:project_in_synced_group) { create(:project, group: synced_group) }
+  let!(:unsynced_project) { create(:project) }
 
   describe '#perform' do
     before do
@@ -13,10 +13,10 @@ describe Geo::RepositoriesCleanUpWorker do
 
     context 'when node has namespace restrictions' do
       it 'performs GeoRepositoryDestroyWorker for each project that does not belong to selected namespaces to replicate' do
-        geo_node.update_attribute(:namespaces, [group])
+        geo_node.update_attribute(:namespaces, [synced_group])
 
         expect(GeoRepositoryDestroyWorker).to receive(:perform_async)
-          .with(project_2.id, project_2.name, project_2.full_path)
+          .with(unsynced_project.id, unsynced_project.name, unsynced_project.full_path)
           .once.and_return(1)
 
         subject.perform(geo_node.id)