shiny/iconvg: fix test breakage for the LOD case.
shiny/iconvg: fix test breakage for the LOD case.

Change-Id: I0907f28110b2d6072c737821ad7152d306da191a
Reviewed-on: https://go-review.googlesource.com/30900
Reviewed-by: Nigel Tao <58ae08b3356928ff9c67562b4719487d54fe8348@golang.org>

golang/exp,golang/exp,golang/exp