TST: update fwst test for recent behavior change (level > dwt_max_level)
TST: update fwst test for recent behavior change (level > dwt_max_level)

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