[test][bcp] Use simplejson

beat/core/test/test_bcp.py

@@ -37,14 +37,13 @@
 # Tests for experiment execution
 
 import os
-import json
-
 import unittest
 import multiprocessing
 import queue
-
 import zmq
 
+import simplejson as json
+
 from ..bcpapi import BCP
 from ..bcpapi.client import BeatComputationClient
 from ..bcpapi.execution import ExecutionProcess