Tests

Add skipDuplicates() scope guard to createDocuments #3407

Job	Run time
Setup & Build Docker Image	1m 4s
Unit Test	1m 11s
Adapter Tests (SharedTables/MongoDB)	1m 39s
Adapter Tests (SQLite)	2m 31s
Adapter Tests (Mirror)	3m 24s
Adapter Tests (SharedTables/SQLite)	2m 41s
Adapter Tests (Pool)	3m 55s
Adapter Tests (MySQL)	3m 29s
Adapter Tests (Postgres)	2m 52s
Adapter Tests (SharedTables/MySQL)	3m 48s
Adapter Tests (Schemaless/MongoDB)	3m 4s
Adapter Tests (SharedTables/MariaDB)	2m 57s
Adapter Tests (MongoDB)	1m 46s
Adapter Tests (SharedTables/Postgres)	3m 2s
Adapter Tests (MariaDB)	2m 59s
	40m 22s

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