fixes create xeno silent ERT #229

Job	Run time
Lint with OpenDream	42s
Compile Maps	1m 43s
Find Maps to Test	12s
Run Linters	1m 38s
Windows Build	1m 41s
Unit Tests (almayer) / run_unit_tests	6m 24s
Unit Tests (bigredv2) / run_unit_tests	6m 35s
Unit Tests (chinook) / run_unit_tests	6m 38s
Unit Tests (corsat) / run_unit_tests	6m 36s
Unit Tests (derelict_almayer) / run_unit_tests	6m 21s
Unit Tests (desert_dam) / run_unit_tests	7m 5s
Unit Tests (fiorina_sciannex) / run_unit_tests	6m 35s
Unit Tests (golden_arrow) / run_unit_tests	6m 3s
Unit Tests (ice_colony_v2) / run_unit_tests	6m 28s
Unit Tests (kutjevo) / run_unit_tests	6m 10s
Unit Tests (lv522_chances_claim) / run_unit_tests	6m 10s
Unit Tests (lv624) / run_unit_tests	6m 13s
Unit Tests (new_varadero) / run_unit_tests	5m 56s
Unit Tests (runtime) / run_unit_tests	6m 38s
Unit Tests (prison_station_fop) / run_unit_tests	6m 23s
Unit Tests (shivas_snowball) / run_unit_tests	5m 56s
Unit Tests (sorokyne_strata) / run_unit_tests	6m 48s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	6m 17s
Alternate Tests (515, 1610, lv624) / run_unit_tests	6m 36s
Check Alternate Tests	1s
	2h 7m 49s

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