Use skip_create so that create would act like build

spec/factories/geo/event_log_state.rb

 FactoryGirl.define do
   factory :geo_event_log_state, class: Geo::EventLogState do
+    skip_create
+
     sequence(:event_id)
   end
 end

spec/factories/geo/project_registry.rb

 FactoryGirl.define do
   factory :geo_project_registry, class: Geo::ProjectRegistry do
+    skip_create
+
     project factory: :empty_project
     last_repository_synced_at nil
     last_repository_successful_sync_at nil

spec/factories/licenses.rb

 FactoryGirl.define do
   factory :gitlab_license, class: "Gitlab::License" do
+    skip_create
+
     starts_at { Date.today - 1.month }
     expires_at { Date.today + 11.months }
     notify_users_at { |l| l.expires_at }

spec/factories_spec.rb

@@ -8,16 +8,12 @@ describe 'factories' do
       end
 
       it 'does not raise error when created' do
-        skip("#{factory.name} cannot be saved") unless build(factory.name).respond_to?(:save!)
-
         expect { create(factory.name) }.not_to raise_error
       end
 
       factory.definition.defined_traits.map(&:name).each do |trait_name|
         describe "linting #{trait_name} trait" do
           skip 'does not raise error when created' do
-            skip("#{factory.name} cannot be saved") unless build(factory.name).respond_to?(:save!)
-
             expect { create(factory.name, trait_name) }.not_to raise_error
           end
         end