The test data at tests/texture/repeatable is invalid

[jiangliu]

With v2.1 branch:
target/debug/nydusd fuse -M mnt/ -C nydusd-config1.json -B images/blake3-lz4_block-non_repeatable &
root@0fba9939116d:/nydus# grep "test" mnt/ -r
[2022-11-03 15:16:49.463085 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.463168 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
[2022-11-03 15:16:49.489291 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.489368 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
[2022-11-03 15:16:49.578303 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.578371 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
Binary file mnt/normal-file-test/busybox/1f777dbdd68d1c4d554bc0d20e027bfef9ed2dfe2d8d5f029e958552a0e12475/layer.tar matches
[2022-11-03 15:16:49.595104 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.595169 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
[2022-11-03 15:16:49.599128 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.599178 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
mnt/normal-file-test/busybox/manifest.json:[{"Config":"af2f74c517aac1d26793a6ed05ff45b299a037e1a9eefeae5eacda133e70a825.json","RepoTags":["busybox:latest"],"Layers":["1f777dbdd68d1c4d554bc0d20e027bfef9ed2dfe2d8d5f029e958552a0e12475/layer.tar"]}]
[2022-11-03 15:16:49.602858 +00:00] ERROR [error/src/error.rs:21] Error:
"decompression failed"
at utils/src/compress/lz4_standard.rs:56
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 15:16:49.602923 +00:00] ERROR [storage/src/cache/mod.rs:331] failed to decompress chunk: Input/output error (os error 5)
mnt/normal-file-test/busybox/repositories:{"busybox":{"latest":"1f777dbdd68d1c4d554bc0d20e027bfef9ed2dfe2d8d5f029e958552a0e12475"}}

With master branch,

[2022-11-03 14:32:17.380525 +00:00] INFO [api/src/http_handler.rs:282] http server started
[2022-11-03 14:32:17.382278 +00:00] INFO [src/bin/nydusd/main.rs:698] Fuse daemon started!
[2022-11-03 14:32:17.382368 +00:00] INFO [src/bin/nydusd/api_server_glue.rs:406] HTTP API server running at /tmp/sEMJa8/api.sock
[2022-11-03 14:32:17.382436 +00:00] INFO [api/src/http_handler.rs:282] http server started
[2022-11-03 14:32:19.254825 +00:00] WARN [storage/src/cache/mod.rs:356] chunk info: 885369 100121 1052487 367104 0 daacf6958ee830c517490073b009d3408c7eb51b5acb47e47d02ca9378759efe
[2022-11-03 14:32:19.255208 +00:00] ERROR [error/src/error.rs:22] Error:
"data digest value doesn't match"
at storage/src/cache/mod.rs:365
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 14:32:19.258855 +00:00] WARN [storage/src/cache/mod.rs:356] chunk info: 778 837 944 1497 0 b98feba6955703140aa56755e645fec861024879b8d39fc4eaf5c78ed3b28fd5
[2022-11-03 14:32:19.259414 +00:00] ERROR [error/src/error.rs:22] Error:
"data digest value doesn't match"
at storage/src/cache/mod.rs:365
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 14:32:19.260450 +00:00] WARN [storage/src/cache/mod.rs:356] chunk info: 1615 203 2441 203 0 fd81be82630d02c030a83d21b25f69697267f2004fe86163fd2d13a6099dd5f5
[2022-11-03 14:32:19.260965 +00:00] ERROR [error/src/error.rs:22] Error:
"data digest value doesn't match"
at storage/src/cache/mod.rs:365
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 14:32:19.261956 +00:00] WARN [storage/src/cache/mod.rs:356] chunk info: 1818 90 2644 90 0 276b9da2d71a793a940421fae6a5e5b6b9fa63cba2d5b935c4366d49a3ee7548
[2022-11-03 14:32:19.262477 +00:00] ERROR [error/src/error.rs:22] Error:
"data digest value doesn't match"
at storage/src/cache/mod.rs:365
note: enable RUST_BACKTRACE=1 env to display a backtrace
[2022-11-03 14:32:19.386354 +00:00] INFO [/root/.cargo/registry/src/github.com-1ecc6299db9ec823/fuse-backend-rs-0.9.6/src/transport/fusedev/linux_session.rs:250] FUSE channel already closed!