Add ternary.txt to cached files
@@ -188,6 +188,7 @@ def download_test_data():
"@mars370d.txt",
"@srtm_tiles.nc", # needed for 03s and 01s relief data
"@static_earth_relief.nc",
+ "@ternary.txt",
"@test.dat.nc",
"@tut_bathy.nc",
"@tut_quakes.ngdc",
