def METHOD_NAME(empty_s3_bucket):
    media_prefix = s3.DEFAULT_MEDIA_PREFIX
    staging_prefix = s3.STAGING_PREFIX
    identifier = TEST_ID
    file_name = "data.tsv"
    test_key = "/".join([media_prefix, staging_prefix, identifier, file_name])
    empty_s3_bucket.put_object(Key=test_key)
    actual_key = s3.get_staged_s3_object(identifier, empty_s3_bucket.name, AWS_CONN_ID)
    assert actual_key == test_key