Added tests for GetAllHistoryTreeBranches

[jakobht]

What changed?
Added tests for GetAllHistoryTreeBranches

Why?

How did you test it?

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.76%. Comparing base (85f21d9) to head (a709d27).
Report is 1 commits behind head on master.

❗ Current head a709d27 differs from pull request most recent head 0f210b8. Consider uploading reports for the commit 0f210b8 to get more accurate results

Additional details and impacted files

see 14 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018f29c6-715d-47d9-92b5-86ff9cb99dae

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 39 unchanged lines in 9 files lost coverage.
• Overall coverage increased (+0.03%) to 67.81%

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Files with Coverage Reduction	New Missed Lines	%
common/task/weighted_round_robin_task_scheduler.go	2	88.56%
common/task/parallel_task_processor.go	2	93.06%
service/frontend/api/handler.go	2	62.07%
service/worker/scanner/executor/runq.go	3	85.48%
service/history/task/transfer_standby_task_executor.go	4	86.83%
common/archiver/filestore/historyArchiver.go	4	80.95%
common/task/fifo_task_scheduler.go	4	83.51%
service/frontend/wrappers/metered/metered.go	4	66.67%
service/history/execution/mutable_state_task_refresher.go	14	57.59%

Totals
Change from base Build 018f29c3-80ca-40a3-baef-4ad9f59c38e2:	0.03%
Covered Lines:	99548
Relevant Lines:	146805

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💛 - Coveralls