diff --git a/test/pyrostest/test_nodes.py b/test/pyrostest/test_nodes.py
index 1e2a8ca..6bb270a 100644
--- a/test/pyrostest/test_nodes.py
+++ b/test/pyrostest/test_nodes.py
@@ -20,6 +20,11 @@ def test_add_one_node_many(self):
                 sub.send(Int32(7))
                 assert out2.message.data == 8
 
+    @pyrostest.launch_node('pyrostest', 'add_one.py')
+    def test_unused_node(self):
+        with self.mock_pub('/pub_val', Int32, queue_size=0) as sub:
+            with self.check_topic('/pyrostest/add_one', Int32) as out:
+                pass
 
 class TestPubFoo(pyrostest.RosTest):
     @pyrostest.with_launch_file('pyrostest', 'launch.launch')
@@ -28,7 +33,6 @@ def test_foo_node(self):
         with self.check_topic('/pub_val', Int32) as out:
             assert out.message.data == 7
 
-
 class TestSequence(pyrostest.RosTest):
     @pyrostest.with_launch_file('pyrostest', 'launch.launch')
     @pyrostest.launch_node('pyrostest', 'pub_foo.py')