fix rubocop transgressions

[#166422320]

Co-authored-by: Clay Kauzlaric <ckauzlaric@pivotal.io>

Author: Cameron Moreau

spec/gorouter.yml.erb.erb_spec.rb

@@ -593,25 +593,25 @@ def make_properties(link, link_property)
         end
 
         describe 'prune_all_stale_routes'
-          context 'when set' do
-            before do
-              deployment_manifest_fragment['router']['prune_all_stale_routes'] = true
-            end
+        context 'when set' do
+          before do
+            deployment_manifest_fragment['router']['prune_all_stale_routes'] = true
+          end
 
-            it 'successfully configures the property' do
-              expect(parsed_yaml['prune_stale_tls_routes']).to be(true)
-            end
+          it 'successfully configures the property' do
+            expect(parsed_yaml['prune_stale_tls_routes']).to be(true)
           end
+        end
 
-          context 'when not set' do
-            before do
-              deployment_manifest_fragment['router'].delete('prune_all_stale_routes')
-            end
+        context 'when not set' do
+          before do
+            deployment_manifest_fragment['router'].delete('prune_all_stale_routes')
+          end
 
-            it 'successfully configures the default property' do
-              expect(parsed_yaml['prune_stale_tls_routes']).to be(false)
-            end
+          it 'successfully configures the default property' do
+            expect(parsed_yaml['prune_stale_tls_routes']).to be(false)
           end
+        end
       end
     end
   end