def METHOD_NAME(dtype,odtype):
    class tests(SchemeTestBase):
        __test__ = True
        def __init__(self,*args):
            self.dtype = dtype
            self.odtype = odtype
            unittest.TestCase.__init__(self,*args)
    tests.__name__ = _scheme + " " + dtype.__name__ + " with " + odtype.__name__
    return tests