Converted shared to common in api test

test/api.mocha.coffee

@@ -23,7 +23,7 @@ User = require("../src/models/user").model
 Group = require("../src/models/group").model
 Challenge = require("../src/models/challenge").model
 app = require("../src/server")
-shared = require("habitrpg-shared")
+shared = require("../common")
 payments = require("../src/controllers/payments")
 
 # ###### Helpers & Variables ######
@@ -632,4 +632,4 @@ describe "API", ->
         paymentMethod: "Stripe"
 
       expect(user.purchased.plan.dateTerminated).to.not.be.ok()
-      done()
+      done()