async def METHOD_NAME(coresys, sys_machine, sys_supervisor):
    """Test arch for raspberrypi4_64."""
    sys_machine.return_value = "raspberrypi4-64"
    sys_supervisor.arch = "aarch64"
    await coresys.arch.load()
    assert coresys.arch.default == "aarch64"
    assert coresys.arch.supported == ["aarch64", "armv7", "armhf"]