Add test case for changing passwords
Add test case for changing passwords

btison/postgresql,praiskup/openshift-postgresql,sclorg/container-common-scripts,stevekuznetsov/postgresql,mfojtik/postgresql,praiskup/openshift-postgresql,rhcarvalho/postgresql,sclorg/postgresql-container,openshift/postgresql,pkubatrh/postgresql-container,ibotty/openshift-postgresql,sclorg/container-common-scripts,mfojtik/postgresql,bparees/postgresql,olysonek/postgresql,bparees/postgresql