CORD-2905 Containerize XOS API tests

Change-Id: I40c4983946a6659dd6dd846fd39d266ad19595cb
diff --git a/src/test/cord-api/Framework/restApi.py b/src/test/cord-api/Framework/restApi.py
index 6e21535..a11664f 100644
--- a/src/test/cord-api/Framework/restApi.py
+++ b/src/test/cord-api/Framework/restApi.py
@@ -36,8 +36,16 @@
         '''
         Get and return values from properties file
         '''
-        rawValue = self.rp.getValueProperties(key)
-        value = rawValue.replace("'","")
+        try:
+            rawValue = self.rp.getValueProperties(key)
+            value = rawValue.replace("'","")
+        except:
+            value = None
+
+        # Allow override from environment
+        if key in os.environ:
+            value = os.environ[key]
+
         return value
 
     def getURL(self, key):