CI is fails because of metric test cases

[Shruthi-1MN]

Is this a BUG REPORT or FEATURE REQUEST?: Bug which is causing CI failure in hotpot

Uncomment only one, leave it on its own line:

/kind bug /kind feature

What happened: When new PR raised some jobs in CI fails by throwing following error

ok      github.com/opensds/opensds/contrib/drivers  0.037s  coverage: 18.9% of statements
E1128 06:28:38.393831   19493 metrics_cli.go:52] file ReadDefaultConfigFile can't readrados: Invalid argument
E1128 06:28:38.397011   19493 metrics_cli.go:461] unmarshal failed
--- FAIL: TestCollectMetrics (0.02s)
    ceph_metrics_test.go:208: expected metric spec
    ceph_metrics_test.go:210: &{InstanceID:b987-654-321 InstanceName:opensds-ceph-b987-654-321 Job:ceph Labels:map[cluster:ceph pool:rbd] Component:pool Name:used Unit:bytes AggrType: MetricValues:[0xc0000a1200]}
    ceph_metrics_test.go:212: &{Timestamp:123456 Value:859}

What you expected to happen: CI should pass successfully for all jobs

How to reproduce it (as minimally and precisely as possible): Raising PR in hotpot code against master/development branch After raising PR check CI jobs status

Anything else we need to know?:

Environment:

• Hotpot(release/branch) version: master branch
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[NajmudheenCT]

@Shruthi-1MN , Please check and close

[Shruthi-1MN]

@NajmudheenCT , Please assign to someone who knows about metric test cases. I still don't know the RCA.