test: disable fsync in postgresql.conf
test: disable fsync in postgresql.conf

Speed up the test by disabling PostgreSQL fsync() call during the test.

Change-Id: I15564a7ee5574c06a651b56808c26ae523dba045

enovance/dci-control-server,enovance/dci-control-server,redhat-cip/dci-control-server,redhat-cip/dci-control-server