def METHOD_NAME():
    identifier = TEST_ID
    media_prefix = TEST_MEDIA_PREFIX
    staging_prefix = TEST_STAGING_PREFIX
    tsv_file_path = "/test/file/path/to/data.tsv"
    test_bucket_name = "test-bucket-given"
    with mock.patch.object(s3.S3Hook, "load_file") as mock_s3_load_file:
        s3.copy_file_to_s3_staging(
            identifier,
            tsv_file_path,
            test_bucket_name,
            AWS_CONN_ID,
            media_prefix=media_prefix,
            staging_prefix=staging_prefix,
        )
    mock_s3_load_file.assert_called_once_with(
        tsv_file_path,
        f"{media_prefix}/{staging_prefix}/{identifier}/data.tsv",
        bucket_name=test_bucket_name,
    )