diff --git a/frb/tests/test_scripts.py b/frb/tests/test_scripts.py
index 68fc7469..58ac4330 100644
--- a/frb/tests/test_scripts.py
+++ b/frb/tests/test_scripts.py
@@ -11,6 +11,8 @@
 from frb.scripts import pzdm_mag
 from frb.scripts import tns
 
+remote_data = pytest.mark.skipif(os.getenv('FRB_GDB') is None,
+                                 reason='test requires dev suite')
 
 def test_frb_summary():
     pargs = frb_summary.parser(['180924'])
@@ -25,8 +27,9 @@ def test_frb_pzdm_mag():
     assert np.isclose(zmax, 0.16080402010050251)
     assert np.isclose(z_50, 0.10050251256281408)
     assert np.isclose(z_mode, 0.12060301507537688)
-    assert np.isclose(Lmax, 0.023780306538345886)
+    assert np.isclose(Lmax, 0.023809, atol=1e-4)
 
+@remote_data
 def test_tns():
     tns.parser.units = 'deg'
     tns.parser.radius = 0.5