Tests

added EVENT_DOCUMENT_PURGE on purgeCachedDocument method #1363

Job	Run time
Setup & Build Docker Image	2m 29s
Unit Test	51s
Adapter Tests (MariaDB)	2m 17s
Adapter Tests (MySQL)	2m 53s
Adapter Tests (Postgres)	1m 56s
Adapter Tests (SQLite)	1m 21s
Adapter Tests (MongoDB)	1m 12s
Adapter Tests (Mirror)	3m 32s
Adapter Tests (SharedTables/MariaDB)	2m 14s
Adapter Tests (SharedTables/MySQL)	2m 50s
Adapter Tests (SharedTables/Postgres)	1m 59s
Adapter Tests (SharedTables/SQLite)	1m 19s
Adapter Tests (SharedTables/MongoDB)	1m 16s
	26m 9s

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