1 files changed, 14 insertions, 8 deletions
diff --git a/spec/models/milestone_release_spec.rb b/spec/models/milestone_release_spec.rb
index d6f73275977..28cec7bbc17 100644
--- a/spec/models/milestone_release_spec.rb
+++ b/spec/models/milestone_release_spec.rb
@@ -14,23 +14,29 @@ describe MilestoneRelease do
     it { is_expected.to belong_to(:release) }
   end
 
+  context 'when trying to create the same record in milestone_releases twice' do
+    it 'is not committing on the second time' do
+      create(:milestone_release, milestone: milestone, release: release)
+
+      expect do
+        subject.save!
+      end.to raise_error(ActiveRecord::RecordNotUnique)
+    end
+  end
+
   describe 'validations' do
-    it { is_expected.to validate_uniqueness_of(:milestone_id).scoped_to(:release_id) }
+    subject(:milestone_release) { build(:milestone_release, milestone: milestone, release: release) }
 
     context 'when milestone and release do not have the same project' do
       it 'is not valid' do
-        other_project = create(:project)
-        release = build(:release, project: other_project)
-        milestone_release = described_class.new(milestone: milestone, release: release)
+        milestone_release.release = build(:release, project: create(:project))
+
         expect(milestone_release).not_to be_valid
       end
     end
 
     context 'when milestone and release have the same project' do
-      it 'is valid' do
-        milestone_release = described_class.new(milestone: milestone, release: release)
-        expect(milestone_release).to be_valid
-      end
+      it { is_expected.to be_valid }
     end
   end
 end