Move testCopyingPreservesByteContents to proper class

Author: jmcgeheeiv

fake_filesystem_test.py

@@ -3627,6 +3627,13 @@ def testDiskSizeOnAutoMountedDriveOnDirectoryCreation(self):
     self.filesystem.SetDiskUsage(total_size=1000, path='d:')
     self.assertEqual(self.filesystem.GetDiskUsage('d:/foo').free, 800)
 
+  @unittest.skipIf(sys.version_info < (3, 0), 'Tests byte contents in Python3')
+  def testCopyingPreservesByteContents(self):
+    source_file = self.filesystem.CreateFile('foo', contents=b'somebytes')
+    dest_file = self.filesystem.CreateFile('bar')
+    dest_file.SetContents(source_file.contents)
+    self.assertEqual(dest_file.contents, source_file.contents)
+
 class MountPointTest(TestCase):
   def setUp(self):
     self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/', total_size=100)
@@ -3672,13 +3679,6 @@ def testThatUncPathsAreAutoMounted(self):
     self.assertEqual(5, self.filesystem.GetObject('//foo/bar').st_dev)
     self.assertEqual(5, self.filesystem.GetObject('//foo/bar/bip/bop').st_dev)
 
-  @unittest.skipIf(sys.version_info < (3, 0), 'Tests byte contents in Python3')
-  def testCopyingPreservesByteContents(self):
-    source_file = self.filesystem.CreateFile('/foo', contents=b'somebytes')
-    dest_file = self.filesystem.CreateFile('/bar')
-    dest_file.SetContents(source_file.contents)
-    self.assertEqual(dest_file.contents, source_file.contents)
-
 
 if __name__ == '__main__':
   unittest.main()