Add unit tests for RespondActivityTaskFailedByID in frontend API handler

[timl3136]

What changed?
Add unit tests for RespondActivityTaskFailedByID in frontend api handler

Why?
Improve test coverage and stability

How did you test it?
Unit tests

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 018fe099-4d86-443c-bab5-7ae16970a85d

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 182 unchanged lines in 15 files lost coverage.
• Overall coverage decreased (-0.04%) to 69.738%

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Files with Coverage Reduction	New Missed Lines	%
common/task/weighted_round_robin_task_scheduler.go	1	89.05%
common/persistence/sql/sqlplugin/mysql/task.go	2	73.68%
service/history/task/transfer_active_task_executor.go	2	72.79%
common/util.go	2	91.78%
service/history/task/fetcher.go	2	85.57%
common/persistence/sql/sqlplugin/mysql/db.go	2	79.49%
service/history/handler/handler.go	3	96.2%
common/task/fifo_task_scheduler.go	3	84.54%
common/archiver/filestore/historyArchiver.go	4	80.95%
service/history/task/transfer_standby_task_executor.go	6	86.33%

Totals
Change from base Build 018fe051-df14-4702-b515-0388c6db07f3:	-0.04%
Covered Lines:	103168
Relevant Lines:	147936

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💛 - Coveralls