Improve the senddead test

Added another send call to this test to take out the race condition. Now, the
test should fail under any circumstances if the send request isn't being
cleaned up correctly.
Signed-off-by: Huiwei Lu <huiweilu@mcs.anl.gov>

test/mpi/ft/senddead.c

@@ -33,6 +33,13 @@ int main(int argc, char **argv)
     if (rank == 0) {
         MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
         err = MPI_Send(buf, 100000, MPI_CHAR, 1, 0, MPI_COMM_WORLD);
+#if defined (MPICH) && (MPICH_NUMVERSION >= 30100102)
+        MPI_Error_class(err, &errclass);
+        if ((err) && (errclass != MPIX_ERR_PROC_FAILED)) {
+            fprintf(stderr, "Wrong error code (%d) returned. Expected MPIX_ERR_PROC_FAILED\n", errclass);
+        }
+#endif
+        err = MPI_Send(buf, 100000, MPI_CHAR, 1, 0, MPI_COMM_WORLD);
 #if defined (MPICH) && (MPICH_NUMVERSION >= 30100102)
         MPI_Error_class(err, &errclass);
         if ((err) && (errclass != MPIX_ERR_PROC_FAILED)) {