fix build problems

services/real-time/app/coffee/RedisClientManager.coffee

@@ -1,7 +1,7 @@
 redis = require("redis-sharelatex")
 
-modules.export = RedisClientManager =
-    createClientList: (configs...)
+module.exports = RedisClientManager =
+    createClientList: (configs...) ->
         # create a dynamic list of redis clients, excluding any configurations which are not defined
-        clientList = (redis.createClient(x) for x in configs when x?))
+        clientList = (redis.createClient(x) for x in configs when x?)
         return clientList

services/real-time/test/unit/coffee/WebsocketLoadBalancerTests.coffee

@@ -7,8 +7,8 @@ describe "WebsocketLoadBalancer", ->
 	beforeEach ->
 		@rclient = {}
 		@WebsocketLoadBalancer = SandboxedModule.require modulePath, requires:
-			"redis-sharelatex": 
-				createClient: () => @rclient
+			"./RedisClientManager": 
+				createClientList: () => []
 			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub() }
 			"./SafeJsonParse": @SafeJsonParse =
 				parse: (data, cb) => cb null, JSON.parse(data)