Test testbench multitenancy - do not merge #18398

Job	Run time
Run PM4-workflow / build-docker-image-EKS	10s
Run PM4-workflow / Delete Instance	0s
Run PM4-workflow / run-phpunit	19m 59s
Run PM4-workflow / deploy-EKS	13m 20s
Run PM4-workflow / Smoke Test (CI1)	12s
Run PM4-workflow / Smoke Test (CI3)	11s
Run PM4-workflow / Smoke Test (CI2)	14s
Run PM4-workflow / Run API Tests	0s
	34m 6s

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