Remove setTimeout when preserveTimestamp is true

lib/copy-sync/__tests__/copy-sync-preserve-time.test.js

@@ -39,16 +39,13 @@ describeIf64('copySync() - preserveTimestamps option', () => {
   })
 
   describe('> when preserveTimestamps option is true', () => {
-    it('should have the same timestamps on copy', done => {
+    it('should have the same timestamps on copy', () => {
       src = path.join(TEST_DIR, 'src')
       dest = path.join(TEST_DIR, 'dest')
       FILES.forEach(f => fs.ensureFileSync(path.join(src, f)))
 
-      setTimeout(() => {
-        fs.copySync(src, dest, {preserveTimestamps: true})
-        FILES.forEach(testFile({preserveTimestamps: true}))
-        done()
-      }, 100)
+      fs.copySync(src, dest, {preserveTimestamps: true})
+      FILES.forEach(testFile({preserveTimestamps: true}))
     })
   })