more test fixes

Author: jlnav

libensemble/tests/regression_tests/test_persistent_aposmm_tao_nm.py

@@ -60,6 +60,7 @@
         "gen_f": gen_f,
         "persis_in": ["f", "grad"] + [n[0] for n in gen_out],
         "out": gen_out,
+        "initial_batch_size": 100,
         "user": {
             "initial_sample_size": 100,
             "localopt_method": "nm",

libensemble/tests/regression_tests/test_persistent_aposmm_timeout.py

@@ -62,6 +62,7 @@
         "gen_f": gen_f,
         "persis_in": ["f"] + [n[0] for n in gen_out],
         "out": gen_out,
+        "initial_batch_size": 100,
         "user": {
             "initial_sample_size": 100,
             "localopt_method": "LN_BOBYQA",

libensemble/tests/regression_tests/test_persistent_aposmm_with_grad.py

@@ -72,6 +72,7 @@
         "in": gen_in,
         "persis_in": gen_in,
         "out": gen_out,
+        "initial_batch_size": 0,
         "user": {
             "initial_sample_size": 0,  # Don't need to do evaluations because the sampling already done below
             "localopt_method": "LD_MMA",