The test_telemetry_reports_correctly_for_page_history_adclick_search_events test fails on ESR builds

[Softvision-PatriciuPop]

Workflow commands:

• Branch: ['control']
• Experiment Slug: ppop-esr-is-a-thing
• Firefox Version: ['128.2.0esr']
• Additional Arguments; --experiment-server stage

Testing to see if ESR builds are also supported, test_telemetry_reports_correctly_for_page_history_adclick_search_events fails with an Assertion error.
Test Run with report: https://github.com/mozilla/klaatu/actions/runs/10880505352