Add e2e tests for our VSHN services #547

Job	Run time
linting (lint_jsonnet)	11s
golden (defaults)	24s
linting (lint_yaml)	9s
golden (exoscale)	25s
golden (cloudscale)	24s
test (defaults)	26s
golden (openshift)	22s
test (exoscale)	29s
golden (vshn)	28s
test (cloudscale)	21s
golden (apiserver)	22s
test (openshift)	24s
golden (controllers)	26s
test (vshn)	31s
golden (minio)	24s
test (apiserver)	19s
golden (cloudscale-metrics-collector-cloud)	25s
test (controllers)	21s
golden (cloudscale-metrics-collector-managed)	25s
test (minio)	26s
golden (exoscale-metrics-collector-cloud)	21s
test (cloudscale-metrics-collector-cloud)	26s
golden (exoscale-metrics-collector-managed)	27s
test (cloudscale-metrics-collector-managed)	25s
test (exoscale-metrics-collector-cloud)	26s
test (exoscale-metrics-collector-managed)	22s
	10m 9s

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