Correct more value usage to cxx_value for testing parameters

Change-Id: Ic28264a73f080d063a3dce10a5d9bfa6090f97f3
Use cxx_value for unsigned integer types in tests

Change-Id: Icc6ad2409d4833409adc86d811d62136e9c9de97
Merge topic 'SIMPLEITK-542_AddImageNoiseFilters' into next

160a4154 Use cxx_value for unsigned integer types in tests
57247df0 Correct more value usage to cxx_value for testing parameters