Fix test test_scipy_fft_arg_validate

Author: DenisScherbakov

mkl_fft/tests/test_interfaces.py

@@ -136,6 +136,6 @@ def test_scipy_fft_arg_validate():
     with pytest.raises(ValueError):
         mfi.scipy_fft.fft([1,2,3,4], norm=b"invalid")
 
-    with pytest.raises(ValueError):
+    with pytest.raises(NotImplementedError):
         mfi.scipy_fft.fft([1,2,3,4], plan="magic")