Added extra sanity checking to xbee.helpers.dispatch.tests
Added extra sanity checking to xbee.helpers.dispatch.tests

EnerNOC/python-xbee,epsilonorion/python-xbee,markfickett/python-xbee,epsilonorion/python-xbee,acrosby/python-xbee,thom-nic/python-xbee,blalor/python-xbee,thom-nic/python-xbee,acrosby/python-xbee,blalor/python-xbee