This is consistent with other tests failing for the same reason.
For more information, see #9871 and the discussion at
https://www.mail-archive.com/search?l=mid&q=
20170228190738.cgs3tl3ny2bxiegk%40steph
export/doc/(es|fr)/Additional_pdf4_texF
export/doc/(de|es)/EmbeddedObjects_pdf4_texF
export/doc/es/Customization_pdf4_texF
+# see also the discussion at:
+# https://www.mail-archive.com/search?l=mid&q=20170228190738.cgs3tl3ny2bxiegk%40steph
+export/examples/es/linguistics_pdf4_texF
#9637 textgreek and textcyr depend on font-encoding, not input encoding