test: force push remote main branch in test

[Camila-B]

Force updates the remote tracking branch in TestMultipleRemoteBranchesOutOfSync since it may already exist with changes in the repo

[gemini-code-assist]

Summary of Changes

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This pull request enhances the reliability of an end-to-end test by ensuring a clean and predictable state for a remote Git branch. It specifically modifies the TestMultipleRemoteBranchesOutOfSync test case to force-push updates to the upstream/main remote tracking branch, preventing test failures that could arise from pre-existing changes or an inconsistent environment.

Highlights

• Test Stability: Modified the TestMultipleRemoteBranchesOutOfSync test case to use a force push (-f) when updating the remote tracking branch.
• Test Reliability: This change addresses potential issues where the remote branch might already exist with changes, ensuring the test runs consistently without interference from previous test runs or existing state.

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[gemini-code-assist]

Code Review

The pull request correctly adds a force-push flag to a git push command within an end-to-end test. This improves the test's robustness by ensuring it can reliably reset remote branch state, preventing failures caused by pre-existing state from previous test runs. My review includes a minor suggestion to improve a related log message for better clarity, which will aid in future debugging.

[sdowell]

/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sdowell

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