Tests

Add operators base #2703

Job	Run time
Setup & Build Docker Image	18s
Unit Test	1m 18s
Adapter Tests (MongoDB)	1m 38s
Adapter Tests (MariaDB)	3m 41s
Adapter Tests (MySQL)	4m 9s
Adapter Tests (SQLite)	2m 43s
Adapter Tests (SharedTables/MySQL)	4m 41s
Adapter Tests (SharedTables/Postgres)	3m 26s
Adapter Tests (Pool)	4m 59s
Adapter Tests (SharedTables/MongoDB)	1m 34s
Adapter Tests (SharedTables/SQLite)	2m 48s
Adapter Tests (SharedTables/MariaDB)	3m 42s
Adapter Tests (Mirror)	5m 1s
Adapter Tests (Postgres)	3m 26s
Adapter Tests (Schemaless/MongoDB)	1m 34s
	44m 58s

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