Fixup e2e test func errorExistsInLog

[vishesh92]

Issue #, if available:

Description of changes:

Testing performed:

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[k8s-ci-robot]

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.66%. Comparing base (d597e80) to head (56c8f5c).
Report is 90 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #428      +/-   ##
==========================================
- Coverage   25.66%   25.66%   -0.01%     
==========================================
  Files          59       72      +13     
  Lines        5563     6741    +1178     
==========================================
+ Hits         1428     1730     +302     
- Misses       3996     4846     +850     
- Partials      139      165      +26     

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[blueorangutan]

Test Results : (tid-686)
Environment: kvm Rocky8(x3), Advanced Networking with Management Server Rocky8
Kubernetes Version: v1.31.6
Kubernetes Version upgrade from: v1.30.10
Kubernetes Version upgrade to: v1.31.6
CloudStack Version: 4.20
Template: ubuntu-2404-kube
E2E Test Run Logs: https://github.com/blueorangutan/capc-prs/releases/download/capc-pr-ci-cd/capc-e2e-artifacts-pr428-sl-686.zip

Summarizing 2 Failures:
 [FAIL] When the specified resource does not exist When starting with a healthy cluster [It] Should fail to upgrade control plane machine due to insufficient compute resources
 /jenkins/workspace/capc-e2e-new/test/e2e/invalid_resource.go:260
 [FAIL] When testing node drain timeout [It] A node should be forcefully removed if it cannot be drained in time
 /root/go/pkg/mod/sigs.k8s.io/cluster-api/test@v1.9.6/framework/deployment_helpers.go:542

Ran 33 of 34 Specs in 8821.501 seconds
FAIL! -- 31 Passed | 2 Failed | 0 Pending | 1 Skipped
--- FAIL: TestE2E (8821.50s)
FAIL

[weizhouapache]

/lgtm