The btrfs is one of the popular filesystem which is supported by
blkid. However, the image for 'low-probe' tests was missing. Add
115M BTRFS default image (mkfs.btrfs btrfs.img).
Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
--- /dev/null
+ID_FS_BLOCK_SIZE=4096
+ID_FS_TYPE=btrfs
+ID_FS_USAGE=filesystem
+ID_FS_UUID=d4a78b72-55e4-4811-86a6-09af936d43f9
+ID_FS_UUID_ENC=d4a78b72-55e4-4811-86a6-09af936d43f9
+ID_FS_UUID_SUB=1e7603cb-d0be-4d8f-8972-9dddf7d5543c
+ID_FS_UUID_SUB_ENC=1e7603cb-d0be-4d8f-8972-9dddf7d5543c