def METHOD_NAME():
    class MyCog(commands.Cog):
        @commands.command()
        async def test(self, ctx: commands.Context, arg: str, arg2: int) -> None:
            """Test command
            Parameters
            ----------
            arg: str
                Description of arg.
                This is the second line of the arg description.
            arg2: int
                Description of arg2.
            """
    cog = MyCog()
    assert cog.test.help == 'Test command'
    assert cog.test.clean_params['arg'].description == 'Description of arg. This is the second line of the arg description.'
    assert cog.test.clean_params['arg2'].description == 'Description of arg2.'