Update LM test with --no-c10d

tests/test_binaries.py

@@ -292,6 +292,7 @@ def train_language_model(data_dir, arch):
             '--max-epoch', '1',
             '--no-progress-bar',
             '--distributed-world-size', '1',
+            '--no-c10d',
         ],
     )
     train.main(train_args)