Unit tests for GetTaskListSize

[jakobht]

What changed?
Added unit tests for GetTaskListSize

Why?
Increase coverage

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 67.08%. Comparing base (02c7efb) to head (49e84b2).
Report is 4 commits behind head on master.

Additional details and impacted files

see 14 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018f9fe2-a0a0-4975-a44f-6d351cad86bb

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 183 unchanged lines in 19 files lost coverage.
• Overall coverage decreased (-0.03%) to 69.176%

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Files with Coverage Reduction	New Missed Lines	%
common/persistence/nosql/nosql_visibility_store.go	1	48.78%
service/history/queue/timer_queue_processor_base.go	1	77.66%
common/task/parallel_task_processor.go	2	93.06%
common/dynamicconfig/constants.go	2	99.05%
service/history/task/transfer_active_task_executor.go	2	72.85%
common/membership/hashring.go	2	84.69%
service/matching/tasklist/matcher.go	2	89.35%
service/matching/tasklist/task_reader.go	2	75.07%
common/persistence/historyManager.go	2	66.67%
service/matching/tasklist/task_list_manager.go	3	75.89%

Totals
Change from base Build 018f9f5c-2963-46a5-8e77-e52888c66415:	-0.03%
Covered Lines:	101831
Relevant Lines:	147206

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💛 - Coveralls