TST: add tests for round-trip swtn/iswtn with non-uniform shape
TST: add tests for round-trip swtn/iswtn with non-uniform shape

PyWavelets/pywt,grlee77/pywt,grlee77/pywt,rgommers/pywt,PyWavelets/pywt,rgommers/pywt,rgommers/pywt,rgommers/pywt