Test: Adding dhcprelay tests.
Added isc-dhcp-server for cord-test container builds.
If cord-test container already exists, refresh using:
 cord-test.py build test

Change-Id: I1aaff75612b7551fc9fd145fe2483ab72b5c3128
diff --git a/src/test/dhcprelay/__init__.py b/src/test/dhcprelay/__init__.py
new file mode 100644
index 0000000..0a5ce19
--- /dev/null
+++ b/src/test/dhcprelay/__init__.py
@@ -0,0 +1,24 @@
+#
+# Copyright 2016-present Ciena Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import os,sys
+##add the python path to lookup the utils
+working_dir = os.path.dirname(os.path.realpath(sys.argv[-1]))
+utils_dir = os.path.join(working_dir, '../utils')
+fsm_dir = os.path.join(working_dir, '../fsm')
+subscriber_dir = os.path.join(working_dir, '../subscriber')
+__path__.append(utils_dir)
+__path__.append(fsm_dir)
+__path__.append(subscriber_dir)