Use hardcoded DN values for tests.

These values aren't going to change anytime soon.

Change-Id: Ib58213e4c0ed374281a45ae7fd4b66e6855b6494
Remove depreciated setting.

Change-Id: I55a2e852bd024132a7c1871206ec920e7512398d
using parameter obsolete with tldap 0.2.14.

Change-Id: I41cf08559390726827be768fb3efc6b1dd876a5d