images: tests: Fix typos in the tests

[fidencio]

This is a non-functional change, that fixes the following typos:

• Snashotter -> Snapshotter
• expectSnapshotter -> expectedSnapshotter
• expectErr -> expectedErr
• exiting-runtime -> existing-runtime

[k8s-ci-robot]

Hi @fidencio. Thanks for your PR.

I'm waiting for a containerd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[AkihiroSuda]

/ok-to-test

[k8s-ci-robot]

@fidencio: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-containerd-k8s-e2e-ec2	9ee3bfa	link	false	/test pull-containerd-k8s-e2e-ec2
pull-containerd-node-e2e	9ee3bfa	link	true	/test pull-containerd-node-e2e

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.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.