async def METHOD_NAME(ddtrace_run_python_code_in_subprocess):
    """
    v1: When a user specifies nothing for a service,
        it should default to internal.schema.DEFAULT_SPAN_SERVICE_NAME
    """
    env = os.environ.copy()
    env["DD_TRACE_SPAN_ATTRIBUTE_SCHEMA"] = "v1"
    out, err, status, pid = ddtrace_run_python_code_in_subprocess(
        """