tests: have imagemagick comparison read from files to avoid spurious errors - closes #3
tests: have imagemagick comparison read from files to avoid spurious errors - closes #3

jaredbrookswhite/tilelive-vector,nyurik/kartotherian,kartotherian/kartotherian,nyurik/kartotherian,nyurik/tilelive-vector,kartotherian/kartotherian,nyurik/kartotherian,kartotherian/kartotherian,kartotherian/kartotherian,nyurik/kartotherian,mapbox/tilelive-vector