before_create :set_project. Now TriggerSchedule saves project from parent

app/models/ci/trigger_schedule.rb

@@ -15,11 +15,15 @@ module Ci
     validates :cron_timezone, cron_timezone: true, presence: { unless: :importing? }
     validates :ref, presence: { unless: :importing? }
 
+    before_create :set_project
     before_save :set_next_run_at
 
+    def set_project
+      self.project = trigger.project
+    end
+
     def set_next_run_at
       self.next_run_at = Gitlab::Ci::CronParser.new(cron, cron_timezone).next_time_from(Time.now)
-      self.project = trigger.project
     end
 
     def schedule_next_run!

spec/factories/ci/trigger_schedules.rb

@@ -4,10 +4,6 @@ FactoryGirl.define do
     cron '0 1 * * *'
     cron_timezone Gitlab::Ci::CronParser::VALID_SYNTAX_SAMPLE_TIME_ZONE
 
-    after(:build) do |trigger_schedule, evaluator|
-      trigger_schedule.update!(project: trigger_schedule.trigger.project)
-    end
-
     trait :nightly do
       cron '0 1 * * *'
       cron_timezone Gitlab::Ci::CronParser::VALID_SYNTAX_SAMPLE_TIME_ZONE