Introduce code from Rust monorepo. This is a mess

tts/NeMo/tests/test_data_dir.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from os.path import exists, join
+
+import pytest
+
+
+class TestDataDir:
+    @pytest.mark.unit
+    def test_test_data_dir(self, test_data_dir):
+        """" Just a dummy tests showing how to use the test_data_dir fixture. """
+        # test_data_dir contains the absolute path to nemo -> tests/.data
+        assert exists(test_data_dir)
+        assert exists(join(test_data_dir, "test_data.tar.gz"))