Backport of test: fix TestConnectInject_ProxyLifecycleShutdown into release/1.3.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #3774 to be assessed for backporting due to the inclusion of the label backport/1.3.x.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
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The person who merged in the original PR is:
@DanStough
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: POST https://api.github.com/repos/hashicorp/consul-k8s/merges: 409 Merge conflict []

The below text is copied from the body of the original PR.

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Changes proposed in this PR

• I made some fixes in Backport of fix(control-plane): acl tokens deleted while pods in graceful shutdown into release/1.2.x #3743 to stabilize this acceptance test based on the new graceful shutdown behavior. I am forward-porting it into the 1.4.x and 1.3.x branches.

How I've tested this PR

• CI/CD

How I expect reviewers to test this PR

👁️ 🔍

Checklist

• Tests added
• ~CHANGELOG entry added ~

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Overview of commits

• 36ea562

[hashicorp-cla]

All committers have signed the CLA.

[DanStough]

Content unchanged from the original PR.