Test: Addition of tests for replicationQueue publish and publish to dlq

[abhishekj720]

What changed?
Addition of test for replication queue methods for publishing to DLQ. Includes several edge cases.

Why?
To make the code more secured, reliable and understandable. As well to increase test code coverage.

How did you test it?
unit tests

No potential risks as it contains only test cases.

[coveralls]

Pull Request Test Coverage Report for Build 018e0cd9-cc81-4cf1-a55b-92e5659fc501

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 82 unchanged lines in 17 files lost coverage.
• Overall coverage increased (+0.02%) to 62.988%

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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/db.go	2	83.33%
common/persistence/sql/sqlplugin/mysql/task.go	2	73.68%
common/persistence/sql/sqlplugin/postgres/db.go	2	85.0%
common/persistence/sql/sqlplugin/postgres/task.go	2	73.4%
service/history/task/timer_task_executor_base.go	2	78.38%
service/matching/db.go	2	73.23%
common/log/tag/tags.go	3	50.18%
common/task/fifo_task_scheduler.go	3	84.54%
service/history/task/fetcher.go	3	85.57%

Totals
Change from base Build 018e0cd5-cd89-4f58-8adc-9436c21b4b6a:	0.02%
Covered Lines:	93099
Relevant Lines:	147804

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💛 - Coveralls