Add missing {}

spec/node-spec.js

@@ -236,10 +236,11 @@ describe('node feature', function () {
     it('should have isTTY defined on Mac and Linux', function () {
       if (isCI) return
 
-      if (process.platform === 'win32')
+      if (process.platform === 'win32') {
         assert.equal(process.stdout.isTTY, undefined)
-      else
+      } else {
         assert.equal(typeof process.stdout.isTTY, 'boolean')
+      }
     })
   })