diff --git a/tests/bugs/issue773.js b/tests/bugs/issue773.js
index 14dfeac..f5d3152 100644
--- a/tests/bugs/issue773.js
+++ b/tests/bugs/issue773.js
@@ -1,7 +1,5 @@
-
 'use strict';
 const util = require('../lib/test-utils.js');
-const expect = require('chai').expect;
 
 describe('unexpected failures when calling fs functions (e.g. writeFile) with empty options object, issue773', function() {
   beforeEach(util.setup);
@@ -10,6 +8,10 @@ describe('unexpected failures when calling fs functions (e.g. writeFile) with em
   it('should call fs.writeFile with an empty options object', function(done) {
     const fs = util.fs();
     fs.writeFile('/a', 'trololol', {}, (err) => {
+      if (err) {
+        done(err);
+        return;
+      }
       done();
     });
   });