Add validation test for image volumes with user namespaces

[AutuSnow]

What type of PR is this?

/kind feature

What this PR does / why we need it:

1. Verify that the CRI implementation can correctly handle the mount of image volume in the Pod with user namespace
2. Ensure that file ownership is correctly mapped through idmap mounts
3. Verify that the file in the image volume can be accessed in the container

Which issue(s) this PR fixes:

Fixes:
#1979 (comment)
containerd/containerd#12816

Special notes for your reviewer:

Does this PR introduce a user-facing change?

[k8s-ci-robot]

Welcome @AutuSnow!

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[AutuSnow]

/release-note-none

[AutuSnow]

/assign @rata

[k8s-ci-robot]

@AutuSnow: GitHub didn't allow me to assign the following users: rata.

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In response to this:

/assign @rata

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[rata]

LGTM when tests are passing. But I'm not empowered on this repo :)

[k8s-ci-robot]

@rata: changing LGTM is restricted to collaborators

Details

In response to this:

LGTM when tests are passing. But I'm not empowered on this repo :)

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: AutuSnow, rata
Once this PR has been reviewed and has the lgtm label, please assign random-liu for approval. For more information see the Code Review Process.

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Needs approval from an approver in each of these files:

• OWNERS

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[AutuSnow]

/retest

[k8s-ci-robot]

@AutuSnow: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

Details

In response to this:

/retest

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[AutuSnow]

测试通过时，LGTM（看起来不错）。但我没有这个仓库的权限 :)

I didn't understand the reason for this test error