fate/subtitles: sort tests alphabetically.

tests/fate/subtitles.mak

@@ -4,17 +4,17 @@ fate-sub-jacosub: CMD = md5 -i $(SAMPLES)/sub/JACOsub_capability_tester.jss -f a
 FATE_SUBTITLES += fate-sub-microdvd
 fate-sub-microdvd: CMD = md5 -i $(SAMPLES)/sub/MicroDVD_capability_tester.sub -f ass
 
+FATE_SUBTITLES += fate-sub-movtext
+fate-sub-movtext: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -f ass
+
+FATE_SUBTITLES += fate-sub-realtext
+fate-sub-realtext: CMD = md5 -i $(SAMPLES)/sub/RealText_capability_tester.rt -f ass
+
 FATE_SUBTITLES += fate-sub-sami
 fate-sub-sami: CMD = md5 -i $(SAMPLES)/sub/SAMI_capability_tester.smi -f ass
 
 FATE_SUBTITLES += fate-sub-srt
 fate-sub-srt: CMD = md5 -i $(SAMPLES)/sub/SubRip_capability_tester.srt -f ass
 
-FATE_SUBTITLES += fate-sub-realtext
-fate-sub-realtext: CMD = md5 -i $(SAMPLES)/sub/RealText_capability_tester.rt -f ass
-
-FATE_SUBTITLES += fate-sub-movtext
-fate-sub-movtext: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -f ass
-
 FATE_SAMPLES_FFMPEG += $(FATE_SUBTITLES)
 fate-subtitles: $(FATE_SUBTITLES)