Add remove silence vad script Unit test

tests/aux_tests/test_remove_silence_vad_script.py

@@ -0,0 +1,29 @@
+import os
+import unittest
+
+import torch
+
+from tests import get_tests_input_path, get_tests_output_path, run_cli
+
+torch.manual_seed(1)
+
+# pylint: disable=protected-access
+class TestRemoveSilenceVAD(unittest.TestCase):
+    @staticmethod
+    def test():
+        # set paths
+        wav_path = os.path.join(get_tests_input_path(), "../data/ljspeech/wavs")
+        output_path = os.path.join(get_tests_output_path(), "output_wavs_removed_silence/")
+        output_resample_path = os.path.join(get_tests_output_path(), "output_ljspeech_16khz/")
+
+        # resample audios
+        run_cli(
+            f'CUDA_VISIBLE_DEVICES="" python TTS/bin/resample.py --input_dir "{wav_path}" --output_dir "{output_resample_path}" --output_sr 16000'
+        )
+
+        # run test
+        run_cli(
+            f'CUDA_VISIBLE_DEVICES="" python TTS/bin/remove_silence_using_vad.py --input_dir "{output_resample_path}" --output_dir "{output_path}"'
+        )
+        run_cli(f'rm -rf "{output_resample_path}"')
+        run_cli(f'rm -rf "{output_path}"')