Make build happy

app/models/system_note_metadata.rb

@@ -2,7 +2,7 @@ class SystemNoteMetadata < ActiveRecord::Base
   ICON_TYPES = %w[
     commit description merge confidential visible label assignee cross_reference
     title time_tracking branch milestone discussion task moved opened closed merged
-    outdated approved unapproved relate
+    outdated approved unapproved relate unrelate
   ].freeze
 
   validates :note, presence: true

app/services/system_note_service.rb

@@ -581,7 +581,7 @@ module SystemNoteService
   def unrelate_issue(noteable, noteable_ref, user)
     body = "removed the relation with #{noteable_ref.to_reference(noteable.project)}"
 
-    create_note(NoteSummary.new(noteable, noteable.project, user, body, action: 'relate'))
+    create_note(NoteSummary.new(noteable, noteable.project, user, body, action: 'unrelate'))
   end
 
   # Called when the merge request is approved by user

spec/models/related_issue_spec.rb

@@ -7,10 +7,10 @@ describe RelatedIssue do
   end
 
   describe "Validation" do
-    subject { build :related_issue }
+    subject { create :related_issue }
 
     it { is_expected.to validate_presence_of(:issue) }
     it { is_expected.to validate_presence_of(:related_issue) }
-    it { is_expected.to validate_uniqueness_of(:issue_id).scoped_to(:related_issue_id) }
+    it { is_expected.to validate_uniqueness_of(:issue).scoped_to(:related_issue_id) }
   end
 end