'Check if convolving two kernels with each other works correctly.'

def test_convolve_2D_kernels(self):

    gauss_1 = Gaussian2DKernel(3)
    gauss_2 = Gaussian2DKernel(4)
    test_gauss_3 = Gaussian2DKernel(5)
    gauss_3 = convolve(gauss_1, gauss_2)
    assert np.all((np.abs((gauss_3 - test_gauss_3).array) < 0.01))
