This testcase is impossible to test as we can't interact on server and no script in CTT tool :
Err-011

Write Unavailable Client writes to multiple nodes in a single call.
The UACTT modifies the Server's response to return a different number of results, e.g. more than expected, or less than expected. Client reports the mismatched # of entries returned.
Client does not process the results, or if it does then a clear message is present that the information cannot be trusted.
Client should provide means for user to know (if desired) that the write was successful by the server to an intermediate system but that the server does not know if the ultimate data source was updated properly. Writing an entry to a log file or event log for every write is probably not practical since if this is the nature of a system, the user doesnt need 1000s of potentially duplicate entries.