Revert "[test] re-enable extraction tests on windows"

This reverts commit 7fafebb.

test/test_datasets_utils.py

@@ -135,6 +135,7 @@ def test_detect_file_type_unknown_partial_ext(self):
         with self.assertRaises(RuntimeError):
             utils._detect_file_type("foo.bar")
 
+    @unittest.skipIf('win' in sys.platform, 'temporarily disabled on Windows')
     def test_extract_zip(self):
         with get_tmp_dir() as temp_dir:
             with tempfile.NamedTemporaryFile(suffix='.zip') as f:
@@ -146,6 +147,7 @@ def test_extract_zip(self):
                     data = nf.read()
                 self.assertEqual(data, 'this is the content')
 
+    @unittest.skipIf('win' in sys.platform, 'temporarily disabled on Windows')
     def test_extract_tar(self):
         for ext, mode in zip(['.tar', '.tar.gz', '.tgz'], ['w', 'w:gz', 'w:gz']):
             with get_tmp_dir() as temp_dir:
@@ -161,6 +163,7 @@ def test_extract_tar(self):
                             data = nf.read()
                         self.assertEqual(data, 'this is the content')
 
+    @unittest.skipIf('win' in sys.platform, 'temporarily disabled on Windows')
     def test_extract_tar_xz(self):
         for ext, mode in zip(['.tar.xz'], ['w:xz']):
             with get_tmp_dir() as temp_dir:
@@ -176,6 +179,7 @@ def test_extract_tar_xz(self):
                             data = nf.read()
                         self.assertEqual(data, 'this is the content')
 
+    @unittest.skipIf('win' in sys.platform, 'temporarily disabled on Windows')
     def test_extract_gzip(self):
         with get_tmp_dir() as temp_dir:
             with tempfile.NamedTemporaryFile(suffix='.gz') as f: