tests: cleanup some lingering state in legacy tests

Author: shakyShane

lib/browser-sync.js

@@ -709,7 +709,7 @@ BrowserSync.prototype.cleanup = function (cb) {
     if (bs.watchers) {
         Object.keys(bs.watchers).forEach(function (key) {
             bs.watchers[key].watchers.forEach(function (watcher) {
-            	watcher.close();
+                watcher.close();
             });
         });
     }