fate: Add regression test for Ticket 186

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

tests/fate/video.mak

@@ -235,8 +235,9 @@ fate-mjpegb: CMD = framecrc -idct simple -fflags +bitexact -i $(TARGET_SAMPLES)/
 FATE_VIDEO-$(call DEMDEC, MVI, MOTIONPIXELS) += fate-motionpixels
 fate-motionpixels: CMD = framecrc -i $(TARGET_SAMPLES)/motion-pixels/INTRO-partial.MVI -an -pix_fmt rgb24 -vframes 111
 
-FATE_VIDEO-$(call DEMDEC, MPEGTS, MPEG2VIDEO) += fate-mpeg2-field-enc
+FATE_VIDEO-$(call DEMDEC, MPEGTS, MPEG2VIDEO) += fate-mpeg2-field-enc fate-mpeg2-ticket186
 fate-mpeg2-field-enc: CMD = framecrc -flags +bitexact -idct simple -i $(TARGET_SAMPLES)/mpeg2/mpeg2_field_encoding.ts -an -vframes 30
+fate-mpeg2-ticket186: CMD = framecrc -flags +bitexact -idct simple -i $(TARGET_SAMPLES)/mpeg2/t.mpg -an
 
 FATE_VIDEO-$(call DEMDEC, MV, MVC1) += fate-mv-mvc1
 fate-mv-mvc1: CMD = framecrc -i $(TARGET_SAMPLES)/mv/posture.mv -an -frames 25 -pix_fmt rgb555le