Adds CBRN ERT #17347

Job	Run time
Compile Maps	1m 26s
Run Linters	1m 37s
Find Maps to Test	13s
Windows Build	1m 28s
Alternate Tests (515, 1610, lv624) / run_unit_tests	6m 38s
Unit Tests (almayer) / run_unit_tests	6m 38s
Unit Tests (bigredv2) / run_unit_tests	6m 30s
Unit Tests (chinook) / run_unit_tests	6m 13s
Unit Tests (corsat) / run_unit_tests	6m 58s
Unit Tests (fiorina_sciannex) / run_unit_tests	6m 19s
Unit Tests (ice_colony_v2) / run_unit_tests	6m 33s
Unit Tests (desert_dam) / run_unit_tests	6m 37s
Unit Tests (kutjevo) / run_unit_tests	6m 20s
Unit Tests (lv522_chances_claim) / run_unit_tests	6m 25s
Unit Tests (lv624) / run_unit_tests	6m 17s
Unit Tests (new_varadero) / run_unit_tests	6m 31s
Unit Tests (prison_station_fop) / run_unit_tests	6m 28s
Unit Tests (runtime) / run_unit_tests	6m 10s
Unit Tests (shivas_snowball) / run_unit_tests	6m 58s
Unit Tests (sorokyne_strata) / run_unit_tests	6m 12s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	6m 13s
Check Alternate Tests	4s
	1h 54m 48s

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