diff --git a/tests/unit/audio/features/fbank_feat.ark b/tests/unit/audio/features/testdata/fbank_feat.ark similarity index 100% rename from tests/unit/audio/features/fbank_feat.ark rename to tests/unit/audio/features/testdata/fbank_feat.ark diff --git a/tests/unit/audio/features/pitch_feat.ark b/tests/unit/audio/features/testdata/pitch_feat.ark similarity index 100% rename from tests/unit/audio/features/pitch_feat.ark rename to tests/unit/audio/features/testdata/pitch_feat.ark diff --git a/tests/unit/audio/features/testdata/test.wav b/tests/unit/audio/features/testdata/test.wav new file mode 100644 index 000000000..6fdfee3c0 Binary files /dev/null and b/tests/unit/audio/features/testdata/test.wav differ diff --git a/tests/unit/audio/features/wav.ark b/tests/unit/audio/features/testdata/wav.ark similarity index 100% rename from tests/unit/audio/features/wav.ark rename to tests/unit/audio/features/testdata/wav.ark