Bug: expand_path API test bug

[yanghua]

UT：

def test_find(tosfs: TosFileSystem, bucket: str, temporary_workspace: str) -> None:
    with pytest.raises(ValueError, match="Cannot access all of TOS via path ."):
        tosfs.find("")

    with pytest.raises(ValueError, match="Cannot access all of TOS via path *."):
        tosfs.find("*")

    with pytest.raises(ValueError, match="Cannot access all of TOS via path tos://."):
        tosfs.find("tos://")

    with pytest.raises(
        ValueError, match="Cannot access all of TOS without specify a bucket."
    ):
        tosfs.find("/")

    assert len(tosfs.find(bucket, maxdepth=1)) > 0

    with pytest.raises(
        ValueError,
        match="Can not specify 'prefix' option " "alongside 'maxdepth' options.",
    ):
        tosfs.find(bucket, maxdepth=1, withdirs=True, prefix=temporary_workspace)

    result = tosfs.find(bucket, prefix=temporary_workspace)
    assert len(result) == 0

    result = tosfs.find(bucket, prefix=random_str())
    assert len(result) == 0

    result = tosfs.find(
        bucket, prefix=temporary_workspace + "/", withdirs=True, detail=True
    )
    assert len(result) == len([bucket, f"{bucket}/{temporary_workspace}/"])
    assert (
        result[f"{bucket}/{temporary_workspace}"]["name"]
        == f"{bucket}/{temporary_workspace}"
    )
    assert result[f"{bucket}/{temporary_workspace}"]["type"] == "directory"

    # issue start
    result = tosfs.find(
        f"{bucket}/{temporary_workspace}/", withdirs=True, maxdepth=1, detail=True
    )
    assert len(result) == 0  # 这个断言本地OK，但github ci一直报错
    # issue end

    dir_name = random_str()
    sub_dir_name = random_str()
    file_name = random_str()
    sub_file_name = random_str()

    tosfs.makedirs(f"{bucket}/{temporary_workspace}/{dir_name}/{sub_dir_name}")
    result = tosfs.find(
        f"{bucket}/{temporary_workspace}", prefix=dir_name, withdirs=False
    )
    assert len(result) == 0

    tosfs.touch(f"{bucket}/{temporary_workspace}/{dir_name}/{file_name}")
    assert tosfs.exists(f"{bucket}/{temporary_workspace}/{dir_name}/{file_name}")
    result = tosfs.find(
        f"{bucket}/{temporary_workspace}/{dir_name}", prefix=file_name, withdirs=False
    )
    assert len(result) == 1

    tosfs.rm_file(
        f"{bucket}/{temporary_workspace}/{dir_name}/{sub_dir_name}/{sub_file_name}"
    )
    tosfs.rmdir(f"{bucket}/{temporary_workspace}/{dir_name}/{sub_dir_name}")
    tosfs.rm_file(f"{bucket}/{temporary_workspace}/{dir_name}/{file_name}")
    tosfs.rmdir(f"{bucket}/{temporary_workspace}/{dir_name}")
    tosfs.rmdir(f"{bucket}/{temporary_workspace}")

[yanghua]

come from this PR #56