checkPackUndoLog and checkUndoLogMetadata can't pass when using

MappingStorage (it doesn't support undo).

src/ZEO/tests/testZEO.py

@@ -209,6 +209,8 @@ class MappingStorageTests(FileStorageTests):
     def checkUndoConflictResolution(self): pass
     def checkUndoCommitVersion(self): pass
     def checkUndoAbortVersion(self): pass
+    def checkPackUndoLog(self): pass
+    def checkUndoLogMetadata(self): pass
     def checkTwoObjectUndoAtOnce(self): pass
     def checkTwoObjectUndoAgain(self): pass
     def checkTwoObjectUndo(self): pass
@@ -248,7 +250,6 @@ class MappingStorageTests(FileStorageTests):
     def checkResolve(self): pass
     def check4ExtStorageThread(self): pass
 
-
 test_classes = [FileStorageTests, MappingStorageTests]
 
 import BDBStorage