Improve the juju unit status #430

Job	Run time
extra-args	1s
build-all-charms (./charms/worker/) / Build and push charms	2m 47s
build-all-charms (./charms/worker/k8s/) / Build and push charms	2m 54s
integration-tests (k8s) / Get runner image / Get runner image	5s
integration-tests (etcd) / Get runner image / Get runner image	2s
integration-tests (etcd) / Build image	1s
integration-tests (etcd) / Build rock	1s
integration-tests (etcd) / Build and push charm	1s
integration-tests (etcd) / Get rocks or Docker images	1s
integration-tests (etcd) / Integration tests / Integration tests	52m 45s
integration-tests (k8s) / Build rock	1s
integration-tests (k8s) / Build image	1s
integration-tests (k8s) / Build and push charm	1s
integration-tests (k8s) / Get rocks or Docker images	1s
integration-tests (k8s) / Integration tests / Integration tests	2h 0m 3s
integration-tests (etcd) / Required Integration Test Status Checks	1s
integration-tests (k8s) / Required Integration Test Status Checks	1s
	2h 58m 47s

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