TESTS: speed up resamplehandle test signal generation by caching
TESTS: speed up resamplehandle test signal generation by caching

swesterfeld/beast,swesterfeld/beast,swesterfeld/beast,GNOME/beast,GNOME/beast,tim-janik/beast,GNOME/beast,swesterfeld/beast,tim-janik/beast,tim-janik/beast,swesterfeld/beast,GNOME/beast,GNOME/beast,GNOME/beast,tim-janik/beast,swesterfeld/beast,tim-janik/beast,tim-janik/beast,swesterfeld/beast,GNOME/beast,tim-janik/beast