Fix by_resource_type_spec.rb when using Valkyrie

spec/services/hyrax/statistics/works/by_resource_type_spec.rb

@@ -5,16 +5,17 @@
 
   describe "#query", :clean_repo do
     before do
-      # Creating factories here led to failures found within
-      # https://travis-ci.org/samvera/hyrax/jobs/454752377
-      # One should be able to invoke create(:generic_work)...
-      # ...however, there are difficulties here which relate to the "terms"
-      # requestHandler
-      # @see https://github.com/samvera/hyrax/issues/3491
-      GenericWork.create(title: ['test'], resource_type: ['Conference Proceeding']).save!
-      GenericWork.create(title: ['test'], resource_type: ['Conference Proceeding']).save!
-      GenericWork.create(title: ['test'], resource_type: ['Image']).save!
-      GenericWork.create(title: ['test'], resource_type: ['Journal']).save!
+      if Hyrax.config.use_valkyrie?
+        FactoryBot.valkyrie_create(:monograph, title: ['test 1'], resource_type: ['Conference Proceeding'])
+        FactoryBot.valkyrie_create(:monograph, title: ['test 2'], resource_type: ['Conference Proceeding'])
+        FactoryBot.valkyrie_create(:monograph, title: ['test 3'], resource_type: ['Image'])
+        FactoryBot.valkyrie_create(:monograph, title: ['test 4'], resource_type: ['Journal'])
+      else
+        GenericWork.create(title: ['test 1'], resource_type: ['Conference Proceeding']).save!
+        GenericWork.create(title: ['test 2'], resource_type: ['Conference Proceeding']).save!
+        GenericWork.create(title: ['test 3'], resource_type: ['Image']).save!
+        GenericWork.create(title: ['test 4'], resource_type: ['Journal']).save!
+      end
     end
 
     subject { service.query }