1 files changed, 11 insertions, 2 deletions
diff --git a/spec/services/alert_management/alerts/update_service_spec.rb b/spec/services/alert_management/alerts/update_service_spec.rb
index 35697ac79a0..882543fd701 100644
--- a/spec/services/alert_management/alerts/update_service_spec.rb
+++ b/spec/services/alert_management/alerts/update_service_spec.rb
@@ -28,8 +28,11 @@ RSpec.describe AlertManagement::Alerts::UpdateService do
       specify { expect { response }.not_to change(Note, :count) }
     end
 
-    shared_examples 'adds a system note' do
-      specify { expect { response }.to change { alert.reload.notes.count }.by(1) }
+    shared_examples 'adds a system note' do |note_matcher = nil|
+      specify do
+        expect { response }.to change { alert.reload.notes.count }.by(1)
+        expect(alert.notes.last.note).to match(note_matcher) if note_matcher
+      end
     end
 
     shared_examples 'error response' do |message|
@@ -288,6 +291,12 @@ RSpec.describe AlertManagement::Alerts::UpdateService do
           end
         end
       end
+
+      context 'when a status change reason is included' do
+        let(:params) { { status: new_status, status_change_reason: ' by changing the incident status' } }
+
+        it_behaves_like 'adds a system note', /changed the status to \*\*Acknowledged\*\* by changing the incident status/
+      end
     end
   end
 end