Add weight quick actions specs for incidents

ee/spec/services/quick_actions/interpret_service_spec.rb

@@ -867,6 +867,26 @@ RSpec.describe QuickActions::InterpretService do
       end
     end
 
+    context 'issuable weights not supported by type' do
+      let_it_be(:incident) { create(:incident, project: project) }
+
+      before do
+        stub_licensed_features(issue_weights: true)
+      end
+
+      it 'does not recognise /weight X' do
+        _, updates = service.execute('/weight 5', incident)
+
+        expect(updates).to be_empty
+      end
+
+      it 'does not recognise /clear_weight' do
+        _, updates = service.execute('/clear_weight', incident)
+
+        expect(updates).to be_empty
+      end
+    end
+
     shared_examples 'empty command' do
       it 'populates {} if content contains an unsupported command' do
         _, updates = service.execute(content, issuable)