Use the new name for cassandra-statefulset.yaml in e2e tests.

[jimmycuadra]

Fixes #36323.

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This change is

[k8s-ci-robot]

Can a kubernetes member verify that this patch is reasonable to test? If so, please reply with "@k8s-bot 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 will still work. Regular contributors should join the org to skip this step.

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[foxish]

/lgtm

[k8s-ci-robot]

Jenkins unit/integration failed for commit 057d9df. Full PR test history.

The magic incantation to run this job again is @k8s-bot unit test this. Please help us cut down flakes by linking to an open flake issue when you hit one in your PR.

[jimmycuadra]

Test failure looks unrelated. Flake?

[foxish]

@k8s-bot unit test this

[k8s-ci-robot]

Jenkins GCE e2e failed for commit 057d9df. Full PR test history.

The magic incantation to run this job again is @k8s-bot cvm gce e2e test this. Please help us cut down flakes by linking to an open flake issue when you hit one in your PR.

[foxish]

@k8s-bot cvm gce e2e test this

[janetkuo]

P0 for fixing flakes

[k8s-github-robot]

@k8s-bot test this [submit-queue is verifying that this PR is safe to merge]

[k8s-github-robot]

Automatic merge from submit-queue