kuberuntime: cleanup TestGenerateContainerConfig

[feiskyer]

Followup of #47009, cleanup TestGenerateContainerConfig and remove unused expectedConfig.

/assign @yujuhong

[feiskyer]

cc/ @Random-Liu

[feiskyer]

/release-note-none

[feiskyer]

@k8s-bot pull-kubernetes-e2e-gce-etcd3 test this

[yujuhong]

/lgtm

[k8s-github-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer, yujuhong

Associated issue: 47009

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Needs approval from an approver in each of these OWNERS Files:

• pkg/kubelet/OWNERS [yujuhong]

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[k8s-github-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer, yujuhong

Associated issue: 47009

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these OWNERS Files:

• pkg/kubelet/OWNERS [yujuhong]

You can indicate your approval by writing /approve in a comment
You can cancel your approval by writing /approve cancel in a comment

[feiskyer]

/retest

[feiskyer]

/retest

[k8s-github-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 47038, 47105)

[k8s-ci-robot]

@feiskyer: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
pull-kubernetes-e2e-gce-etcd3	82ff0ad	link	/test pull-kubernetes-e2e-gce-etcd3

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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