[MIRROR] Creates a unit test for loadout item duplicates #2915

Job	Run time
Collect data for other tasks	16s
Run Linters	2m 43s
Compile Maps	3m 11s
Windows Build	1m 54s
Check Alternate Tests	0s
Integration Tests (birdshot) / run_integration_tests	10m 58s
Integration Tests (deltastation) / run_integration_tests	11m 0s
Integration Tests (blueshift) / run_integration_tests	11m 45s
Integration Tests (gateway_test) / run_integration_tests	12m 49s
Integration Tests (icebox) / run_integration_tests	12m 11s
Integration Tests (kilostation2) / run_integration_tests	10m 45s
Integration Tests (metastation) / run_integration_tests	11m 29s
Integration Tests (multiz_debug) / run_integration_tests	10m 33s
Integration Tests (northstar) / run_integration_tests	12m 56s
Integration Tests (nssjourney) / run_integration_tests	11m 9s
Integration Tests (runtimestation) / run_integration_tests	10m 10s
Integration Tests (tramstation) / run_integration_tests	11m 11s
Integration Tests (voidraptor) / run_integration_tests	11m 15s
Compare Screenshot Tests	53s
	2h 37m 8s

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