Show actual warnings raised on failure

Author: pquentin

test_elasticsearch/test_client/test_utils.py

@@ -60,7 +60,7 @@ def func_beta(*args, **kwargs):
 
         func_beta()
 
-        assert len(recwarn) == 1
+        assert len(recwarn) == 1, [w.message for w in recwarn]
         user_warning = recwarn.pop(GeneralAvailabilityWarning)
         assert user_warning.category == GeneralAvailabilityWarning
         assert user_warning.message.args[0].startswith(
@@ -75,7 +75,7 @@ def func_experimental(*args, **kwargs):
 
         func_experimental()
 
-        assert len(recwarn) == 1
+        assert len(recwarn) == 1, [w.message for w in recwarn]
         user_warning = recwarn.pop(GeneralAvailabilityWarning)
         assert user_warning.category == GeneralAvailabilityWarning
         assert user_warning.message.args[0].startswith(