Fix tests for 2.11.1

library/core/src/test/assets/mp4/sample_mdat_too_long.mp4.0.dump

@@ -24,7 +24,6 @@ track 0:
     selectionFlags = 0
     selectionFlags = 0
     language = null
     language = null
     drmInitData = -
     drmInitData = -
-    metadata = null
     initializationData:
     initializationData:
       data = length 29, hash 4746B5D9
       data = length 29, hash 4746B5D9
       data = length 10, hash 7A0D0F2B
       data = length 10, hash 7A0D0F2B
@@ -171,7 +170,6 @@ track 1:
     selectionFlags = 0
     selectionFlags = 0
     language = und
     language = und
     drmInitData = -
     drmInitData = -
-    metadata = entries=[TSSE: description=null: value=Lavf56.1.0]
     initializationData:
     initializationData:
       data = length 2, hash 5F7
       data = length 2, hash 5F7
   total output bytes = 9529
   total output bytes = 9529

library/core/src/test/assets/mp4/sample_mdat_too_long.mp4.1.dump

@@ -24,7 +24,6 @@ track 0:
     selectionFlags = 0
     selectionFlags = 0
     language = null
     language = null
     drmInitData = -
     drmInitData = -
-    metadata = null
     initializationData:
     initializationData:
       data = length 29, hash 4746B5D9
       data = length 29, hash 4746B5D9
       data = length 10, hash 7A0D0F2B
       data = length 10, hash 7A0D0F2B
@@ -171,7 +170,6 @@ track 1:
     selectionFlags = 0
     selectionFlags = 0
     language = und
     language = und
     drmInitData = -
     drmInitData = -
-    metadata = entries=[TSSE: description=null: value=Lavf56.1.0]
     initializationData:
     initializationData:
       data = length 2, hash 5F7
       data = length 2, hash 5F7
   total output bytes = 7464
   total output bytes = 7464

library/core/src/test/assets/mp4/sample_mdat_too_long.mp4.2.dump

@@ -24,7 +24,6 @@ track 0:
     selectionFlags = 0
     selectionFlags = 0
     language = null
     language = null
     drmInitData = -
     drmInitData = -
-    metadata = null
     initializationData:
     initializationData:
       data = length 29, hash 4746B5D9
       data = length 29, hash 4746B5D9
       data = length 10, hash 7A0D0F2B
       data = length 10, hash 7A0D0F2B
@@ -171,7 +170,6 @@ track 1:
     selectionFlags = 0
     selectionFlags = 0
     language = und
     language = und
     drmInitData = -
     drmInitData = -
-    metadata = entries=[TSSE: description=null: value=Lavf56.1.0]
     initializationData:
     initializationData:
       data = length 2, hash 5F7
       data = length 2, hash 5F7
   total output bytes = 4019
   total output bytes = 4019

library/core/src/test/assets/mp4/sample_mdat_too_long.mp4.3.dump

@@ -24,7 +24,6 @@ track 0:
     selectionFlags = 0
     selectionFlags = 0
     language = null
     language = null
     drmInitData = -
     drmInitData = -
-    metadata = null
     initializationData:
     initializationData:
       data = length 29, hash 4746B5D9
       data = length 29, hash 4746B5D9
       data = length 10, hash 7A0D0F2B
       data = length 10, hash 7A0D0F2B
@@ -171,7 +170,6 @@ track 1:
     selectionFlags = 0
     selectionFlags = 0
     language = und
     language = und
     drmInitData = -
     drmInitData = -
-    metadata = entries=[TSSE: description=null: value=Lavf56.1.0]
     initializationData:
     initializationData:
       data = length 2, hash 5F7
       data = length 2, hash 5F7
   total output bytes = 470
   total output bytes = 470