def test_get_mag_h_from_obs(self):
"""ChannelConverter_test.test_get_mag_h_from_obs()
``h`` and ``e`` are the primary and secondary components of the ``H``
vector.
"""
# Call get_mag_h_from_obs using h,e of 3,4. Expect H to be 5.
h = 3
e = 4
H = channel.get_mag_h_from_obs(h, e)
assert_almost_equal(H, 5, 8, "Expect H to be 5.", True)
