Each config option has limitation for type and value. We make enforce_type=True to check whether we pass wrong type. Also fixes a type error issue in test_db_manager.py. Change-Id: I6e111e21588525d32b05eeba75b06583d4e605ed Related-Bug: #1517839
Change-Id: I699e0ab082657880998d8618fe29eb7f56c6c661