(ITS#8571) Added a test for pcache + ldap backen with proxyauthz

[elecharny@symas.com]

Full_Name: Emmanuel L.charny
Version: 2.4.45
OS: N/A
URL: ftp://ftp.openldap.org/incoming/elecharny-20170118.patch
Submission from: (NULL) (86.246.56.212)


This patch adds a unit test for a server configured with proxycache and ldap
backend, redirecting all the requests to a remote master server, which does not
accept anonymous bind). The proxycache server caches searches and binds.

The attached file is derived from OpenLDAP Software. All of the modifications to
OpenLDAP Software represented in the following patch(es) were developed by
Symas. Symas has not assigned rights and/or interest in this work to any party.
I, Emmanuel Lecharny, am authorized by Symas, my employer, to release this work
under the following terms. 

Symas hereby place the following modifications to OpenLDAP Software (and only
these modifications) into the public domain. Hence, these modifications may be
freely used and/or redistributed for any purpose with or without attribution
and/or other notice.