Fix case where events is specified in construction #285

Job	Run time
test_calc_error	1m 10s
test_battery	1m 15s
test_base_models	1m 0s
test_centrifugal_pump	1m 8s
test_composite	1m 6s
test_data_model	1m 7s
test_datasets	1m 4s
test_dict_like_matrix_wrapper	1m 0s
test_direct	4m 5s
test_ensemble	1m 22s
test_estimate_params	1m 10s
test_horizon	1m 4s
test_linear_model	1m 20s
test_loading	1m 16s
test_moe	1m 0s
test_pneumatic_valve	56s
test_powertrain	1m 29s
test_predictors	2m 55s
test_serialization	1m 10s
test_sim_result	1m 32s
test_state_estimators	1m 4s
test_surrogates	1m 7s
test_tutorials	1m 25s
copyright (3.9)	3s
test_uav_model	1m 6s
test_uncertain_data	4m 17s
	37m 11s

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