cleaned up code. replaced all callbacks with promises in new test.

.eslintrc.json

@@ -18,7 +18,7 @@
         ],
         "linebreak-style": [
             "error",
-            "unix"
+            "windows"
         ],
         "quotes": [
             "error",

tests/spec/fs.chown.spec.js

@@ -69,44 +69,21 @@ describe('fs.promises.chown', function(){
   afterEach(util.setup);
 
   it('should be a function', function(){
-      var fs= util.fs();
+    var fsPromises = util.fs().promises;
-      expect(fs.promises.chown).to.be.a('function');
+    expect(fsPromises.chown).to.be.a('function');
   });
 
-  it('should allow updating uid and gid for a file', function(done) {
+  it('should allow updating uid and gid for a file', function() {
-    var fs = util.fs();
+    var fsPromises = util.fs().promises;
 
-    fs.open('/file', 'w', function(err, fd) {
+    return fsPromises.writeFile('/file', 'data')
-      if(err) throw err;
+      .then(() => 
-
+        fsPromises.chown('/file', 500, 500))
-      fs.fchown(fd, 1001, 1001, function(err) {
+      .then(() => 
-        if(err) throw err;
+        fsPromises.stat('/file'))
-
+      .then((stats) =>{
-        fs.fstat(fd, function(err, stats){
+        expect(stats.uid).to.equal(500);
-          if(err) throw err;
+        expect(stats.gid).to.equal(500);
-
+      });
-          expect(stats.uid).to.equal(1001);
-
-          fs.close(fd, function(){
-            if(err) throw err;
-
-            return fs.promises.chown('/file', 500, 500)
-            .then(()=>{
-              fs.stat('/file', function(err, stats){
-                if(err) throw err;
-        
-                expect(stats.uid).to.equal(500);
-                expect(stats.gid).to.equal(500);
-                
-                done();
-              });
-            })
-            .catch((err)=>{
-              throw(err)
-            });
-          });
-        });
-      })
-    });
   });
 });