Improved IPTestCase and removed deprecated IPHookTestCase
Improved IPTestCase and removed deprecated IPHookTestCase

vascotenner/holoviews,ioam/holoviews,basnijholt/holoviews,ioam/holoviews,basnijholt/holoviews,basnijholt/holoviews,mjabri/holoviews,vascotenner/holoviews,ioam/holoviews,mjabri/holoviews,mjabri/holoviews,vascotenner/holoviews