Revert to telling one point at a time

* File dumps can exactly match requested counts.

Author: shuds13

optimas/gen_functions.py

@@ -108,10 +108,11 @@ def persistent_generator(H, persis_info, gen_specs, libE_info):
                         y = calc_in[par.name][i]
                         ev = Evaluation(parameter=par, value=y)
                         trial.complete_evaluation(ev)
+                generator.tell_trials([trial])
                 trials.append(trial)
 
             # Register trials with unknown SEM
-            generator.tell_trials(trials)
+            # generator.tell_trials(trials)  # Give as batch
 
             # Set the number of points to generate to that number:
             number_of_gen_points = min(n + n_failed_gens, max_evals - n_gens)

tests/test_ax_generators.py

@@ -474,7 +474,9 @@ def test_ax_single_fidelity_resume():
 
         if not fit_out_of_design:
             # Check that no old evaluations were added
-            assert len(exploration.history) == 11
+            assert (
+                len(exploration.history) == 11
+            ), f"Got: {len(exploration.history)}"
             assert all(exploration.history.trial_ignored.to_numpy()[:-1])
             # Check that the sobol step has not been skipped.
             df = ax_client.get_trials_data_frame()
@@ -831,7 +833,7 @@ def test_ax_service_init():
         filepath=os.path.join(
             exploration.exploration_dir_path,
             "model_history",
-            "ax_client_at_eval_6.json",
+            "ax_client_at_eval_5.json",
         )
     )