Description: Skip test that fails from outside the source tree

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Forwarded: not-needed

--- a/pandas/tests/test_downstream.py
+++ b/pandas/tests/test_downstream.py
@@ -275,6 +275,7 @@ def test_yaml_dump(df):
     tm.assert_frame_equal(df, loaded2)
 
 
+@pytest.mark.skip(reason="Fails in an installed package as it can't find pandas")
 def test_missing_required_dependency():
     # GH 23868
     # To ensure proper isolation, we pass these flags