add a test for proxy detection
add a test for proxy detection
spaghetti-/rosdep,wkentaro/rosdep,allenh1/rosdep,georgepar/rosdep,alessandro-aglietti/rosdep,aymanim/rosdep,wkentaro/rosdep,ros-infrastructure/rosdep,georgepar/rosdep,spaghetti-/rosdep,sorki/rosdep,aymanim/rosdep,alessandro-aglietti/rosdep,allenh1/rosdep,ros-infrastructure/rosdep,sorki/rosdep