Global test setup

Configure chai and SandboxedModule globally with options used in many
tests.

That required upgrading mocha and SandboxedModule.

services/document-updater/test/unit/js/ProjectManager/updateProjectTests.js

@@ -22,17 +22,11 @@ describe('ProjectManager', function () {
     }
     this.Metrics.Timer.prototype.done = sinon.stub()
 
-    this.logger = {
-      log: sinon.stub(),
-      error: sinon.stub()
-    }
-
     this.ProjectManager = SandboxedModule.require(modulePath, {
       requires: {
         './RedisManager': this.RedisManager,
         './ProjectHistoryRedisManager': this.ProjectHistoryRedisManager,
         './DocumentManager': this.DocumentManager,
-        'logger-sharelatex': this.logger,
         './HistoryManager': this.HistoryManager,
         './Metrics': this.Metrics
       }