Fix recent test

Not sure why the FT functions were returning advance 1024.  This
caused failure on drone.io.  Switch to hb-ot-font and disable
glyph names.

test/shaping/tests/cursive-positioning.tests

 fonts/sha1sum/c4e48b0886ef460f532fb49f00047ec92c432ec0.ttf::U+0643,U+0645,U+0645,U+062B,U+0644:[gid8=4+738|gid5=3@441,1197+0|gid6=3@0,432+405|gid9=2@0,477+452|gid9=1@0,977+452|gid10=0@20,1577+207]
 fonts/sha1sum/298c9e1d955f10f6f72c6915c3c6ff9bf9695cec.ttf::U+0643,U+0645,U+0645,U+062B,U+0644:[gid8=4+738|gid5=3@441,1197+0|gid6=3@0,432+405|gid9=2@0,477+500|gid9=1@0,577+452|gid10=0@20,1177+207]
 #fonts/sha1sum/706c5d7b625f207bc0d874c67237aad6f1e9cd6f.ttf::U+0B1F,U+0B4D,U+0B1A,U+0B4D,U+0B1A:[ttaorya=0+1307|casubscriptorya=0@-242,104+-231|casubscriptnarroworya=0@20,104+507]
-fonts/sha1sum/07f054357ff8638bac3711b422a1e31180bba863.ttf::U+0606,U+06E1:[Glyph2=0@40,502+0|Glyph1=0+1024]
+fonts/sha1sum/07f054357ff8638bac3711b422a1e31180bba863.ttf:--font-funcs=ot --no-glyph-names:U+0606,U+06E1:[2=0@40,502+0|1=0+1000]