review comment tweaks - completes #104

test/controllers/admin/vote_controller_test.rb

@@ -70,5 +70,16 @@ module Admin
       assert_equal 'ipsum', Candidate.find(henry.to_i).review_comments
       assert_redirected_to admin_result_url(henry.test_hash)
     end
+
+    test "approve fails without comment" do
+      auth_user users(:manager)
+      henry = candidates(:henry)
+
+      assert_enqueued_jobs 0 do
+        post admin_interview_url(henry.test_hash), params: { review_status: 'approved' }
+      end
+      assert_match 'comment', flash[:error]
+      assert_redirected_to admin_result_url(henry.test_hash)
+    end
   end
 end