Revert "Add test for axis label when units set"

This reverts commit d9169cb.

Author: ksunden

lib/matplotlib/testing/jpl_units/UnitDbl.py

@@ -91,8 +91,6 @@ def __bool__(self):
 
     def _cmp(self, op, rhs):
         """Check that *self* and *rhs* share units; compare them using *op*."""
-        if rhs is None:
-            return NotImplemented
         self.checkSameUnits(rhs, "compare")
         return op(self._value, rhs._value)
 

lib/matplotlib/tests/test_units.py

@@ -283,23 +283,3 @@ def test_plot_kernel():
     # just a smoketest that fail
     kernel = Kernel([1, 2, 3, 4, 5])
     plt.plot(kernel)
-
-
-@check_figures_equal(extensions=['png'])
-def test_unit_axis_label(fig_test, fig_ref):
-    import matplotlib.testing.jpl_units as units
-    units.register()
-
-    data = [0 * units.km, 1 * units.km, 2 * units.km]
-
-    ax_test = fig_test.subplots()
-    ax_ref = fig_ref.subplots()
-    axs = [ax_test, ax_ref]
-
-    for ax in axs:
-        ax.yaxis.set_units('km')
-        ax.set_xlim(10, 20)
-        ax.set_ylim(10, 20)
-
-    ax_test.scatter([1, 2, 3], data, edgecolors='none')
-    ax_ref.plot([1, 2, 3], data, marker='o', linewidth=0)