Fix tests due to error key changed

app/models/application_setting.rb

@@ -309,6 +309,6 @@ class ApplicationSetting < ActiveRecord::Base
   def check_default_artifacts_expire_in
     ChronicDuration.parse(default_artifacts_expire_in)
   rescue ChronicDuration::DurationParseError
-    errors.add(:default_artifacts_expiration, "is not a correct duration")
+    errors.add(:default_artifacts_expire_in, "is not a correct duration")
   end
 end

spec/models/application_setting_spec.rb

@@ -59,7 +59,7 @@ describe ApplicationSetting, models: true do
       def expect_invalid
         expect(setting).to be_invalid
         expect(setting.errors.messages)
-          .to have_key(:default_artifacts_expiration)
+          .to have_key(:default_artifacts_expire_in)
       end
     end