Review fixes, skip copyFile test for now

tests/spec/fs.copyFile.spec.js

@@ -1,17 +1,17 @@
 var util = require('../lib/test-utils.js');
 var expect = require('chai').expect;
 
-describe('fs.copyFile', function(){
+// Waiting on implementation to land https://github.com/filerjs/filer/issues/436
+describe.skip('fs.copyFile', function() {
+  const file = {
+    path: '/srcfile',
+    contents: 'This is a src file.'
+  };
+
   beforeEach(function(done){
     util.setup(function() {
       var fs = util.fs();
-      fs.writeFile('/srcfile', 'This is a src file.', function(error){
-        if(error) throw error;
-        fs.writeFile('/destfile', 'This is a dest file.', function(error){
-          if(error) throw error;
-          done();
-        });
-      });
+      fs.writeFile(file.path, file.contents, done);
     });
   });
   afterEach(util.cleanup);
@@ -23,30 +23,26 @@ describe('fs.copyFile', function(){
 
   it('should return an error if the src path does not exist', function(done){
     var fs = util.fs();
-    var src = null;
-    var dest = 'dest.txt';
 
-    fs.copyFile(src, dest, function(error){
+    fs.copyFile(null, '/dest.txt', function(error) {
       expect(error).to.exist;
       expect(error.code).to.equal('ENOENT');
       done();
     });
-   
   });
 
   it('should copy file successfully', function(done) {
     var fs = util.fs();
-    var src = 'This is a src file.';
+    const destPath = '/destfile';
 
-    fs.copyFile('/srcfile', '/destfile', function(error) {
+    fs.copyFile(file.path, destPath, function(error) {
       if(error) throw error;
 
-      fs.readFile('/destfile', function(error, data){
+      fs.readFile(destPath, function(error, data) {
         expect(error).not.to.exist;
-        expect(data).to.equal(src);
+        expect(data).to.equal(file.contents);
         done();
       });
     });
   });
-
 });