All axes must have a fallback

(issue #67)

diff --git a/tests/test_axisregistry_api.py b/tests/test_axisregistry_api.py
index ec78dec12147f715b4d2c80c5ce790d54bc2aa4e..6e894d3b25885fa76c513bc9f0c39f92b699b004 100644 (file)
--- a/tests/test_axisregistry_api.py
+++ b/tests/test_axisregistry_api.py
@@ -6,6 +6,7 @@ def test_AxisRegistry():
     assert "GRAD" in registry.keys()
     for axis_tag in registry.keys():
         assert len(axis_tag) == 4
+        assert len(registry[axis_tag].fallback) > 0
         for f in range(len(registry[axis_tag].fallback)):
             fallback = registry[axis_tag].fallback[f]