Fix hard-coded path in restApi.py

Change-Id: I0b2d40836885907a8216a6c025b2515e3ae69c3d
(cherry picked from commit d4dacd5ba19413449b0d0d82fc3e68c9c97b45b6)
diff --git a/src/test/cord-api/Framework/restApi.py b/src/test/cord-api/Framework/restApi.py
index c40c930..5c22097 100644
--- a/src/test/cord-api/Framework/restApi.py
+++ b/src/test/cord-api/Framework/restApi.py
@@ -9,7 +9,7 @@
     Functions for testing CORD API with POST, GET, PUT, DELETE method
     '''
     def __init__(self):
-        self.rp = readProperties("../Properties/RestApiProperties.py")
+        self.rp = readProperties(os.path.abspath(os.path.dirname(__file__))+"/../Properties/RestApiProperties.py")
         self.controllerIP = self.getValueFromProperties("SERVER_IP")
         self.controllerPort = self.getValueFromProperties("SERVER_PORT")
         self.user = self.getValueFromProperties("USER")