Add warning to ignore

Author: mwcraig

setup.cfg

@@ -67,6 +67,8 @@ filterwarnings =
     ignore:leap-second auto-update failed:astropy.utils.exceptions.AstropyWarning
 # Should ignore these for astropy<5.0
     ignore:getName|currentThread:DeprecationWarning:astropy
+# Ignore errors from astropy.wcs about the number of WCS axes not matching image dimension
+    ignore:The WCS transformation has more axes:astropy.wcs.wcs.FITSFixedWarning
 markers =
     bigdata: marks tests that are expected to trigger a large download (deselect with '-m "not bigdata"')
     noautofixt: disabling fixture autouse