Unable to add /test/ directory sensor code

[mohanmaniramesh]

I was trying to add /test/bmp180 sensor to the UDP task-06 but if do this then the sensor init is getting failed even i tried with /test/adxl345 too . both are I2C based .
but if i comment
USEMODULE += gnrc_netdev_default
USEMODULE += auto_init_gnrc_netif
USEMODULE += gnrc_ipv6_default
USEMODULE += gnrc_icmpv6_echo
USEMODULE += gnrc_sock_udp

these lines from Makefile then it is working fine i'm not getting why this is happen
please help me if you have any idea on these
Thank you