Update test core ETCDIR location

Tests in keystone/tests are failed because they
looks for some config files at wrong location.
Currently all the keystone config files are at
/etc/keystone.

Signed-off-by: Vu Tran <vu.tran@windriver.com>
diff --git a/keystone/tests/core.py b/keystone/tests/core.py
index 860f68d..565cbcc 100644
--- a/keystone/tests/core.py
+++ b/keystone/tests/core.py
@@ -77,7 +77,7 @@ LOG = logging.getLogger(__name__)
 TESTSDIR = os.path.dirname(os.path.abspath(__file__))
 ROOTDIR = os.path.normpath(os.path.join(TESTSDIR, '..', '..'))
 VENDOR = os.path.join(ROOTDIR, 'vendor')
-ETCDIR = os.path.join(ROOTDIR, 'etc')
+ETCDIR = "/etc/keystone"
 TMPDIR = os.path.join(TESTSDIR, 'tmp')
 
 CONF = config.CONF
-- 
1.7.9.5