for 1d_sampling on mpi, need >= procs for 1 manager, 1 gen worker, 1 sim worker

Author: jlnav

libensemble/tests/regression_tests/test_1d_sampling.py

@@ -11,7 +11,7 @@
 
 # Do not change these lines - they are parsed by run-tests.sh
 # TESTSUITE_COMMS: mpi local threads tcp
-# TESTSUITE_NPROCS: 2 4
+# TESTSUITE_NPROCS: 3 4
 
 import numpy as np