Test Case Log deletion failures

spec/requests/case_log_controller_spec.rb

@@ -231,6 +231,7 @@ RSpec.describe CaseLogsController, type: :request do
     end
     let(:id) { case_log.id }
 
+    context "expected deletion" do
       before do
         delete "/case_logs/#{id}", headers: headers
       end
@@ -262,4 +263,16 @@ RSpec.describe CaseLogsController, type: :request do
         end
       end
     end
+
+    context "deletion fails" do
+      before do
+        allow_any_instance_of(CaseLog).to receive(:discard).and_return(false)
+        delete "/case_logs/#{id}", headers: headers
+      end
+
+      it "returns an unprocessable entity 422" do
+        expect(response).to have_http_status(:unprocessable_entity)
+      end
+    end
+  end
 end