Fix for runnable.spec.js

Author: craigtaub

lib/runnable.js

@@ -36,6 +36,7 @@ function Runnable(title, fn) {
   this.sync = !this.async;
   this._timeout = 2000;
   this._slow = 75;
+  this._enableTimeouts = true;
   this._retries = -1;
   this.reset();
 }