FATE: add a test for apetag cover art

tests/fate/cover-art.mak

@@ -1,7 +1,15 @@
+FATE_COVER_ART += fate-cover-art-ape
+fate-cover-art-ape: CMD = md5 -i $(SAMPLES)/cover_art/luckynight_cover.ape -an -c:v copy -f rawvideo
+fate-cover-art-ape: REF = 45333c983c45af54449dff10af144317
+
 FATE_COVER_ART += fate-cover-art-m4a
 fate-cover-art-m4a: CMD = md5 -i $(SAMPLES)/cover_art/Owner-iTunes_9.0.3.15.m4a -an -c:v copy -f rawvideo
 fate-cover-art-m4a: REF = 08ba70a3b594ff6345a93965e96a9d3e
 
+FATE_COVER_ART += fate-cover-art-wv
+fate-cover-art-wv: CMD = md5 -i $(SAMPLES)/cover_art/luckynight_cover.wv -an -c:v copy -f rawvideo
+fate-cover-art-wv: REF = 45333c983c45af54449dff10af144317
+
 $(FATE_COVER_ART): CMP = oneline
 FATE_SAMPLES_AVCONV += $(FATE_COVER_ART)
 fate-cover-art: $(FATE_COVER_ART)