Disable base domain LDIF entries

Fixes 'entry already exists' failures when booting ApacheDS.
Assert all members instead of first

Makes this test more consistent since the results could be in
different order each query, resulting in intermittent failures.
require -> require_relative for tests

Makes it easier to run tests individually.
:fire: the commented-out organizations in LDIF fixtures
Merge pull request #34 from github/fix-entry-already-exists-error

Fix tests due to "entry already exists" error for the base domain
Merge branch 'master' into posixGroup-membership