Update existing tests to verify new tenc members.

The new members being parsed on the tenc box should not exist in the
current test files. Update the existing tests to reflect this.

Author: SingingTree

mp4parse/tests/public.rs

@@ -156,6 +156,9 @@ fn public_audio_tenc() {
                     assert!(tenc.is_encrypted > 0);
                     assert_eq!(tenc.iv_size, 16);
                     assert_eq!(tenc.kid, kid);
+                    assert_eq!(tenc.crypt_byte_block_count, None);
+                    assert_eq!(tenc.skip_byte_block_count, None);
+                    assert_eq!(tenc.constant_iv, None);
                 } else {
                     assert!(false, "Invalid test condition");
                 }
@@ -207,6 +210,9 @@ fn public_video_cenc() {
                     assert!(tenc.is_encrypted > 0);
                     assert_eq!(tenc.iv_size, 16);
                     assert_eq!(tenc.kid, kid);
+                    assert_eq!(tenc.crypt_byte_block_count, None);
+                    assert_eq!(tenc.skip_byte_block_count, None);
+                    assert_eq!(tenc.constant_iv, None);
                 } else {
                     assert!(false, "Invalid test condition");
                 }