TST: wcsapi.rst failed remote data doctest #10299

________________________ [doctest] docs/wcs/wcsapi.rst _________________________
286 extracting a spectral slice, and in that slice we are extracting a sub-region
287 on the sky.
288 
289 If you are implementing your own WCS class, you could choose to implement
290 ``__getitem__`` and have it internally use
291 :class:`~astropy.wcs.wcsapi.SlicedLowLevelWCS`. In fact, the
292 :class:`~astropy.wcs.WCS` class does this - the example above can be written
293 more succinctly as::
294 
295     >>> wcs[10, 30:100, 30:100]  # doctest: +REMOTE_DATA +ELLIPSIS
Differences (unified diff with -expected +actual):
    @@ -1,2 +1,3 @@
    +<astropy.wcs.wcsapi.fitswcs.SlicedFITSWCS object at 0x7f2484b3a2b0>
     SlicedFITSWCS Transformation
     <BLANKLINE>
/home/travis/build/astropy/astropy/docs/wcs/wcsapi.rst:295: DocTestFailure