Tests

Add cache fallback into DB library #1398

Job	Run time
Setup & Build Docker Image	2m 34s
Adapter Tests (MariaDB)	4m 23s
Unit Test	57s
Adapter Tests (MySQL)	5m 40s
Adapter Tests (Postgres)	3m 55s
Adapter Tests (SQLite)	3m 51s
Adapter Tests (MongoDB)	1m 11s
Adapter Tests (Mirror)	6m 47s
Adapter Tests (SharedTables/MariaDB)	4m 39s
Adapter Tests (SharedTables/MySQL)	5m 19s
Adapter Tests (SharedTables/Postgres)	4m 5s
Adapter Tests (SharedTables/SQLite)	3m 31s
Adapter Tests (SharedTables/MongoDB)	1m 14s
	48m 6s

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