def METHOD_NAME(self, add):
    @cuda.jit
    def add_kernel(ary):
        i = cuda.grid(1)
        ary[i] = add(ary[i], 1)
    ary = np.arange(10)
    expect = ary + 1
    add_kernel[1, ary.size](ary)
    np.testing.assert_equal(expect, ary)