Do not define milestone tile when not needed

qa/qa/specs/features/ee/browser_ui/2_plan/burndown_chart/burndown_chart_spec.rb

@@ -7,7 +7,6 @@ module QA
 
       let(:milestone) do
         QA::EE::Resource::ProjectMilestone.fabricate_via_api! do |m|
-          m.title = 'v1'
           m.start_date = current_date_yyyy_mm_dd
           m.due_date = next_month_yyyy_mm_dd
         end

qa/qa/specs/features/ee/browser_ui/2_plan/issues_weight/issue_weight_visualization_spec.rb

@@ -8,9 +8,7 @@ module QA
       end
 
       let(:milestone) do
-        QA::EE::Resource::ProjectMilestone.fabricate_via_api! do |m|
-          m.title = 'the-fellowship-of-the-ring'
-        end
+        QA::EE::Resource::ProjectMilestone.fabricate_via_api!
       end
 
       let(:weight) { 1000 }