add test file for geting the correct duration when the duraion infomation in mp4 file is error

+0.000 877417145_20180410070927305.aac create 
+1.931 877417145_20180410070929236.mp4 create 
+1.932 877417145_20180410070929236.mp4 info width=320 height=240 rotation=0
+990.959 877417145_20180410070927305.aac close 
+991.001 877417145_20180410070929236.mp4 close 
+991.815 877417145_20180410072559120.aac create 
+993.759 877417145_20180410072601064.mp4 create 
+993.759 877417145_20180410072601064.mp4 info width=320 height=240 rotation=0
+1014.959 877417145_20180410072559120.aac close 
+1014.988 877417145_20180410072601064.mp4 close 
+1224.859 877417145_20180410072952164.aac create 
+1226.040 877417145_20180410072953345.mp4 create 
+1226.041 877417145_20180410072953345.mp4 info width=320 height=240 rotation=0
+2028.049 877417145_20180410072952164.aac close 
+2029.033 877417145_20180410072953345.mp4 close 

+0.000     990.960    877417145_20180410070927305.ts
+991.815     23.060    877417145_20180410072559120.ts
+1224.859     803.230    877417145_20180410072952164.ts