fix: replace context.Done() with Wait() in backend tests

[hrntknr]

Summary

Replace ctx.Done() with proper Wait() method calls in proxy and transparent backend tests to ensure proper cleanup and synchronization.

Type of Change

• fix: A bug fix

Related Issues

[Copilot]

Pull Request Overview

This PR fixes test synchronization issues by replacing incorrect context.Done() usage with proper Wait() method calls in backend tests. The changes ensure proper cleanup and synchronization when testing backend lifecycle management.

• Replace ctx.Done() with be.Wait() in transparent backend test
• Replace ctx.Done() with pb.Wait() in proxy backend test

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pkg/backend/transparent_test.go	Updates test goroutine to use backend's Wait() method instead of context.Done()
pkg/backend/proxy_test.go	Updates test goroutine to use proxy backend's Wait() method instead of context.Done()

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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