Add tests for persistence/workflow_execution_info.go

[natemort]

Additionally rename file to match snake_case standard.

What changed?
Add tests for workflow_execution_info.go

Why?
Improving test coverage

How did you test it?
Unit tests

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

Merging #5918 (6d3613c) into master (1c7d522) will increase coverage by 0.00%.
The diff coverage is n/a.

❗ Current head 6d3613c differs from pull request most recent head b2c9157. Consider uploading reports for the commit b2c9157 to get more accurate results

Additional details and impacted files

Files	Coverage Δ
common/persistence/workflow_execution_info.go	97.95% <ø> (ø)

... and 4 files with indirect coverage changes

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[coveralls]

Pull Request Test Coverage Report for Build 018eeed7-8405-4957-8a21-53b38c2f3226

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 63 unchanged lines in 9 files lost coverage.
• Overall coverage increased (+0.03%) to 67.53%

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Files with Coverage Reduction	New Missed Lines	%
common/task/weighted_round_robin_task_scheduler.go	1	88.06%
common/task/fifo_task_scheduler.go	2	85.57%
common/persistence/sql/sqlplugin/mysql/task.go	2	73.68%
service/matching/taskListManager.go	2	80.2%
common/persistence/sql/sqlplugin/mysql/db.go	2	79.49%
service/history/task/transfer_standby_task_executor.go	4	86.19%
common/persistence/pinot_visibility_triple_manager.go	9	97.65%
service/history/execution/mutable_state_task_refresher.go	17	61.71%
service/history/task/task_util.go	24	69.43%

Totals
Change from base Build 018eee92-de3e-4218-a5af-7f3a6bbaef48:	0.03%
Covered Lines:	98848
Relevant Lines:	146376

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💛 - Coveralls