Add some tests about animated GIFs - checking the filesize
Add some tests about animated GIFs - checking the filesize

christopheschwyzer/CM,zazabe/cm,zazabe/cm,alexispeter/CM,njam/CM,njam/CM,njam/CM,fauvel/CM,tomaszdurka/CM,fauvel/CM,vogdb/cm,christopheschwyzer/CM,njam/CM,zazabe/cm,fvovan/CM,alexispeter/CM,vogdb/cm,tomaszdurka/CM,cargomedia/CM,vogdb/cm,mariansollmann/CM,mariansollmann/CM,mariansollmann/CM,alexispeter/CM,vogdb/cm,cargomedia/CM,vogdb/cm,cargomedia/CM,zazabe/cm,tomaszdurka/CM,njam/CM,fvovan/CM,fvovan/CM,fauvel/CM,cargomedia/CM,fauvel/CM,christopheschwyzer/CM,fauvel/CM,christopheschwyzer/CM,fvovan/CM,alexispeter/CM,tomaszdurka/CM,mariansollmann/CM,tomaszdurka/CM