Fix epic mentions specs so that it doesn't depend on run order

ee/spec/migrations/migrate_epic_mentions_to_db_spec.rb

@@ -8,14 +8,14 @@ describe MigrateEpicMentionsToDb, :migration, :sidekiq do
   let(:namespaces) { table(:namespaces) }
   let(:epics) { table(:epics) }
 
+  let(:user) { users.create!(name: 'root', email: 'root@example.com', username: 'root', projects_limit: 0) }
+  let(:group) { namespaces.create!(name: 'group1', path: 'group1', owner_id: user.id, type: 'Group') }
+  let!(:epic1) { epics.create!(iid: 1, title: "title1", title_html: 'title1', description: 'epic description with @root mention', group_id: group.id, author_id: user.id) }
+  let!(:epic2) { epics.create!(iid: 2, title: "title2", title_html: 'title2', description: 'epic description with @root mention', group_id: group.id, author_id: user.id) }
+  let!(:epic3) { epics.create!(iid: 3, title: "title3", title_html: 'title3', description: 'epic description with @root mention', group_id: group.id, author_id: user.id) }
+
   before do
     stub_const("#{described_class.name}::BATCH_SIZE", 1)
-
-    users.create!(id: 1, name: 'root', email: 'root@example.com', username: 'root', projects_limit: 0)
-    namespaces.create!(id: 1, name: 'group1', path: 'group1', owner_id: 1)
-    epics.create!(id: 1, iid: 1, title: "title1", title_html: 'title1', description: 'epic description with @root mention', group_id: 1, author_id: 1)
-    epics.create!(id: 2, iid: 2, title: "title2", title_html: "title2", description: 'epic description with @group mention', group_id: 1, author_id: 1)
-    epics.create!(id: 3, iid: 3, title: "title3", title_html: "title3", description: 'epic description with @project mention', group_id: 1, author_id: 1)
   end
 
   it 'schedules epic mentions migrations' do
@@ -27,9 +27,9 @@ describe MigrateEpicMentionsToDb, :migration, :sidekiq do
         join = described_class::JOIN
         conditions = described_class::QUERY_CONDITIONS
 
-        expect(migration).to be_scheduled_delayed_migration(2.minutes, 'Epic', join, conditions, false, 1, 1)
-        expect(migration).to be_scheduled_delayed_migration(4.minutes, 'Epic', join, conditions, false, 2, 2)
-        expect(migration).to be_scheduled_delayed_migration(6.minutes, 'Epic', join, conditions, false, 3, 3)
+        expect(migration).to be_scheduled_delayed_migration(2.minutes, 'Epic', join, conditions, false, epic1.id, epic1.id)
+        expect(migration).to be_scheduled_delayed_migration(4.minutes, 'Epic', join, conditions, false, epic2.id, epic2.id)
+        expect(migration).to be_scheduled_delayed_migration(6.minutes, 'Epic', join, conditions, false, epic3.id, epic3.id)
         expect(BackgroundMigrationWorker.jobs.size).to eq 3
       end
     end

ee/spec/migrations/migrate_epic_notes_mentions_to_db_spec.rb

@@ -9,16 +9,15 @@ describe MigrateEpicNotesMentionsToDb, :migration, :sidekiq do
   let(:epics) { table(:epics) }
   let(:notes) { table(:notes) }
 
+  let(:user) { users.create!(name: 'root', email: 'root@example.com', username: 'root', projects_limit: 0) }
+  let(:group) { namespaces.create!(name: 'group1', path: 'group1', owner_id: user.id, type: 'Group') }
+  let(:epic) { epics.create!(iid: 1, title: "title", title_html: 'title', description: 'epic description', group_id: group.id, author_id: user.id) }
+  let!(:note1) { notes.create!(note: 'note1 for @root to check', noteable_id: epic.id, noteable_type: 'Epic') }
+  let!(:note2) { notes.create!(note: 'note2 for @root to check', noteable_id: epic.id, noteable_type: 'Epic', system: true) }
+  let!(:note3) { notes.create!(note: 'note3 for @root to check', noteable_id: epic.id, noteable_type: 'Epic') }
+
   before do
     stub_const("#{described_class.name}::BATCH_SIZE", 1)
-
-    users.create!(id: 1, name: 'root', email: 'root@example.com', username: 'root', projects_limit: 0)
-    namespaces.create!(id: 1, name: 'group1', path: 'group1', owner_id: 1)
-    epics.create!(id: 1, iid: 1, title: "title", title_html: 'title', description: 'epic description', group_id: 1, author_id: 1)
-
-    notes.create!(note: 'note1 for @root to check', id: 1, noteable_id: 1, noteable_type: 'Epic')
-    notes.create!(note: 'note2 for @root to check', id: 2, noteable_id: 1, noteable_type: 'Epic', system: true)
-    notes.create!(note: 'note3 for @root to check', id: 3, noteable_id: 1, noteable_type: 'Epic')
   end
 
   it 'schedules epic mentions migrations' do
@@ -30,9 +29,9 @@ describe MigrateEpicNotesMentionsToDb, :migration, :sidekiq do
         join = described_class::JOIN
         conditions = described_class::QUERY_CONDITIONS
 
-        expect(migration).to be_scheduled_delayed_migration(2.minutes, 'Epic', join, conditions, true, 1, 1)
-        expect(migration).to be_scheduled_delayed_migration(4.minutes, 'Epic', join, conditions, true, 2, 2)
-        expect(migration).to be_scheduled_delayed_migration(6.minutes, 'Epic', join, conditions, true, 3, 3)
+        expect(migration).to be_scheduled_delayed_migration(2.minutes, 'Epic', join, conditions, true, note1.id, note1.id)
+        expect(migration).to be_scheduled_delayed_migration(4.minutes, 'Epic', join, conditions, true, note2.id, note2.id)
+        expect(migration).to be_scheduled_delayed_migration(6.minutes, 'Epic', join, conditions, true, note3.id, note3.id)
         expect(BackgroundMigrationWorker.jobs.size).to eq 3
       end
     end