TST: try being very careful about z-order with 0 tol

tacaswell · tacaswell · commit a32c14b57045 · 2018-08-05T17:45:39.000-04:00
diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -383,7 +383,7 @@ def test_warn_cl_plus_tl():
     assert not(fig.get_constrained_layout())
 
 
-@check_figures_equal(extensions=["png", "pdf", "svg"], tol=.003)
+@check_figures_equal(extensions=["png", "pdf", "svg"])
 def test_add_artist(fig_test, fig_ref):
     fig_test.set_dpi(100)
     fig_ref.set_dpi(100)
@@ -401,10 +401,11 @@ def test_add_artist(fig_test, fig_ref):
 
     ax2 = fig_ref.subplots()
     l1 = plt.Line2D([.2, .7], [.7, .7], transform=fig_ref.transFigure,
-                    gid='l1')
+                    gid='l1', zorder=21)
     r1 = plt.Circle((20, 20), 100, transform=None, clip_on=False, zorder=20,
                     gid='C1')
-    r2 = plt.Circle((.7, .5), .05, transform=fig_ref.transFigure, gid='C2')
+    r2 = plt.Circle((.7, .5), .05, transform=fig_ref.transFigure, gid='C2',
+                    zorder=20)
     r3 = plt.Circle((4.5, .8), .55, transform=fig_ref.dpi_scale_trans,
                     facecolor='crimson', clip_on=False, zorder=20, gid='C3')
     for a in [l1, r1, r2, r3]:
