Test testbench - do not merge #18366

Job	Run time
Run PM4-workflow / Delete Instance	2s
Run PM4-workflow / build-docker-image-EKS	6s
Run PM4-workflow / run-phpunit	3m 2s
Run PM4-workflow / deploy-EKS	2m 28s
Run PM4-workflow / Run API Tests	1s
Run PM4-workflow / Prepare Smoke Test	1s
Run PM4-workflow / Smoke Test (CI${{ matrix.site_number }})	1s
	5m 41s

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