--- a/test/test_spawn.py
+++ b/test/test_spawn.py
@@ -40,6 +40,8 @@
     if MPI.APPNUM == MPI.KEYVAL_INVALID: return None
     return MPI.COMM_WORLD.Get_attr(MPI.APPNUM)
 
+from nose.plugins.attrib import attr
+@attr('network')
 @unittest.skipMPI('MPI(<2.0)')
 @unittest.skipMPI('openmpi(<3.0.0)')
 @unittest.skipMPI('openmpi(==4.0.0)')
