Fix a few test bugs.
Fix a few test bugs.

sorki/rosdep,georgepar/rosdep,allenh1/rosdep,spaghetti-/rosdep,wkentaro/rosdep,alessandro-aglietti/rosdep,ros-infrastructure/rosdep,ros-infrastructure/rosdep,allenh1/rosdep,georgepar/rosdep,aymanim/rosdep,spaghetti-/rosdep,alessandro-aglietti/rosdep,sorki/rosdep,aymanim/rosdep,wkentaro/rosdep