moved tests to subdirectory

diff --git a/python/demo_beats_and_tempo.py b/python/demos/demo_beats_and_tempo.py
similarity index 100%
rename from python/demo_beats_and_tempo.py
rename to python/demos/demo_beats_and_tempo.py

diff --git a/python/demo_onset_sinusoid.py b/python/demos/demo_onset_sinusoid.py
similarity index 100%
rename from python/demo_onset_sinusoid.py
rename to python/demos/demo_onset_sinusoid.py

diff --git a/python/demo_pitch_sinusoid.py b/python/demos/demo_pitch_sinusoid.py
similarity index 100%
rename from python/demo_pitch_sinusoid.py
rename to python/demos/demo_pitch_sinusoid.py

diff --git a/python/demo_simple_robot_voice.py b/python/demos/demo_simple_robot_voice.py
similarity index 100%
rename from python/demo_simple_robot_voice.py
rename to python/demos/demo_simple_robot_voice.py

diff --git a/python/demo_sink.py b/python/demos/demo_sink.py
similarity index 100%
rename from python/demo_sink.py
rename to python/demos/demo_sink.py

diff --git a/python/demo_source.py b/python/demos/demo_source.py
similarity index 100%
rename from python/demo_source.py
rename to python/demos/demo_source.py

diff --git a/python/demo_spectrogram.py b/python/demos/demo_spectrogram.py
similarity index 100%
rename from python/demo_spectrogram.py
rename to python/demos/demo_spectrogram.py

diff --git a/python/demo_tss.py b/python/demos/demo_tss.py
similarity index 100%
rename from python/demo_tss.py
rename to python/demos/demo_tss.py

diff --git a/python/test_aubio.py b/python/tests/test_aubio.py
similarity index 100%
rename from python/test_aubio.py
rename to python/tests/test_aubio.py

diff --git a/python/test_cvec.py b/python/tests/test_cvec.py
similarity index 100%
rename from python/test_cvec.py
rename to python/tests/test_cvec.py

diff --git a/python/test_fft.py b/python/tests/test_fft.py
similarity index 100%
rename from python/test_fft.py
rename to python/tests/test_fft.py

diff --git a/python/test_filter.py b/python/tests/test_filter.py
similarity index 100%
rename from python/test_filter.py
rename to python/tests/test_filter.py

diff --git a/python/test_filterbank.py b/python/tests/test_filterbank.py
similarity index 100%
rename from python/test_filterbank.py
rename to python/tests/test_filterbank.py

diff --git a/python/test_filterbank_mel.py b/python/tests/test_filterbank_mel.py
similarity index 100%
rename from python/test_filterbank_mel.py
rename to python/tests/test_filterbank_mel.py

diff --git a/python/test_fvec.py b/python/tests/test_fvec.py
similarity index 100%
rename from python/test_fvec.py
rename to python/tests/test_fvec.py

diff --git a/python/test_onset.py b/python/tests/test_onset.py
similarity index 100%
rename from python/test_onset.py
rename to python/tests/test_onset.py

diff --git a/python/test_peakpicker.py b/python/tests/test_peakpicker.py
similarity index 100%
rename from python/test_peakpicker.py
rename to python/tests/test_peakpicker.py

diff --git a/python/test_phasevoc.py b/python/tests/test_phasevoc.py
similarity index 100%
rename from python/test_phasevoc.py
rename to python/tests/test_phasevoc.py

diff --git a/python/test_pitch.py b/python/tests/test_pitch.py
similarity index 100%
rename from python/test_pitch.py
rename to python/tests/test_pitch.py

diff --git a/python/test_source.py b/python/tests/test_source.py
similarity index 100%
rename from python/test_source.py
rename to python/tests/test_source.py

diff --git a/python/test_specdesc.py b/python/tests/test_specdesc.py
similarity index 100%
rename from python/test_specdesc.py
rename to python/tests/test_specdesc.py