Added tests for GetTasks

[jakobht]

What changed?
Added tests for GetTask

Why?
Code 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 67.61%. Comparing base (fb4bfce) to head (69d9361).
Report is 5 commits behind head on master.

Additional details and impacted files

see 17 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018fa9a6-4e99-4d16-b903-3b08dab94a4e

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 333 unchanged lines in 21 files lost coverage.
• Overall coverage decreased (-0.2%) to 69.291%

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Files with Coverage Reduction	New Missed Lines	%
common/task/weighted_round_robin_task_scheduler.go	2	89.05%
common/persistence/sql/sql_execution_store_util.go	2	84.82%
common/persistence/sql/common.go	2	89.61%
common/util.go	2	91.78%
common/persistence/statsComputer.go	2	97.14%
service/matching/tasklist/matcher.go	2	89.35%
service/matching/tasklist/task_reader.go	2	77.45%
service/history/queue/timer_queue_processor_base.go	3	77.87%
service/history/task/transfer_standby_task_executor.go	4	86.21%
common/archiver/filestore/historyArchiver.go	4	80.95%

Totals
Change from base Build 018fa998-47fc-455c-b90b-e123465c249a:	-0.2%
Covered Lines:	102091
Relevant Lines:	147336

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💛 - Coveralls