spec/spec_tests/data/transactions/error-labels.yml in mongo-2.10.5 vs spec/spec_tests/data/transactions/error-labels.yml in mongo-2.11.0.rc0

@@ -23,13 +23,13 @@
           session: session0
           documents:
             - _id: 1
             - _id: 1
         result:
-          # Don't assert on errorCodeName because (after SERVER-38583) the
-          # DuplicateKey is reported in writeErrors, not as a top-level
-          # command error.
           errorLabelsOmit: ["TransientTransactionError", "UnknownTransactionCommitResult"]
+          # DuplicateKey error code included in the bulk write error message
+          # returned by the server
+          errorContains: E11000
       - name: abortTransaction
         object: session0
 
     expectations:
       - command_started_event: