Tests

Add cache key tests #3155

Job	Run time
Setup & Build Docker Image	8m 57s
Unit Test	55s
Adapter Tests (MongoDB)	1m 41s
Adapter Tests (MySQL)	4m 21s
Adapter Tests (MariaDB)	3m 9s
Adapter Tests (Mirror)	3m 45s
Adapter Tests (Postgres)	2m 59s
Adapter Tests (SharedTables/MariaDB)	2m 59s
Adapter Tests (Pool)	4m 21s
Adapter Tests (SharedTables/SQLite)	2m 39s
Adapter Tests (SharedTables/MySQL)	3m 48s
Adapter Tests (SQLite)	2m 29s
Adapter Tests (SharedTables/Postgres)	3m 10s
Adapter Tests (SharedTables/MongoDB)	1m 57s
Adapter Tests (Schemaless/MongoDB)	3m 1s
	50m 11s

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