core: frontend: disk: Add speed test #2125

Job	Run time
frontend-tests	2m 15s
python-tests	3m 6s
deploy-docker-images (bootstrap, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	2m 54s
deploy-docker-images (core, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	10m 19s
deploy-raspberry-image	0s
	18m 34s

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