Added test cases for more util methods

[agautam478]

What changed?
Added test cases for prepareReplicationTasksForWorkflowTxn,prepareNoSQLTasksForWorkflowTxn and prepareCrossClusterTasksForWorkflowTxn

Each contains one positive and one negative case.

The goal is to expand on the tests from this point. We are 50% through the file now.

Why?
To increase code coverage.

How did you test it?
Unit testing.

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

Merging #5755 (dac3b95) into master (cdc3212) will increase coverage by 0.06%.
Report is 1 commits behind head on master.
The diff coverage is n/a.

❗ Current head dac3b95 differs from pull request most recent head bf9de70. Consider uploading reports for the commit bf9de70 to get more accurate results

Additional details and impacted files

see 6 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018e1b7c-de8f-40a6-9845-ba47b3454620

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 128 unchanged lines in 24 files lost coverage.
• Overall coverage decreased (-0.006%) to 63.351%

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Files with Coverage Reduction	New Missed Lines	%
common/task/weighted_round_robin_task_scheduler.go	2	88.56%
common/persistence/sql/sqlplugin/postgres/task.go	2	73.4%
common/persistence/sql/sqlplugin/postgres/db.go	2	80.0%
service/matching/db.go	2	73.23%
service/history/task/transfer_active_task_executor.go	2	72.38%
service/matching/taskListManager.go	2	79.7%
common/persistence/sql/sqlplugin/mysql/db.go	2	79.49%
common/persistence/sql/common.go	2	46.75%
common/persistence/sql/sql_task_store.go	2	54.32%
common/persistence/sql/sqlplugin/mysql/task.go	2	73.68%

Totals
Change from base Build 018e1b7a-99f2-427e-9a3f-b3ed82a05b59:	-0.006%
Covered Lines:	92872
Relevant Lines:	146598

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💛 - Coveralls