Change the simple agent tests to use blnk instead of bluebell
Change the simple agent tests to use blnk instead of bluebell

bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e,crystalline/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e,bdonlan/openc2e