Update lib/matplotlib/tests/test_collections.py

Co-authored-by: Ruth Comer <10599679+rcomer@users.noreply.github.com>

Author: timhoffm

lib/matplotlib/tests/test_collections.py

@@ -916,7 +916,7 @@ def test_blended_collection_autolim():
     # check that the x data limits are updated to include the LineCollection
     np.testing.assert_allclose((ax.dataLim.xmin, ax.dataLim.xmax), (1, 5))
     # check that the y data limits are not updated (because they are not transData)
-    np.testing.assert_allclose((ax.dataLim.ymin, ax.dataLim.ymax), (0.4, 0.6))
+    np.testing.assert_allclose((ax.dataLim.ymin, ax.dataLim.ymax), (data_ymin, data_ymax))
 
 
 def test_singleton_autolim():