Code review comment for lp://qastaging/~azzar1/unity/fix-1008603

/tmp/buildd/unity-5.12+bzr2390ubuntu0+702/tests/test_service_lens.c: In function 'on_preview_uri':
/tmp/buildd/unity-5.12+bzr2390ubuntu0+702/tests/test_service_lens.c:190:3: error: implicit declaration of function 'unity_track_preview_new' [-Werror=implicit-function-declaration]
/tmp/buildd/unity-5.12+bzr2390ubuntu0+702/tests/test_service_lens.c:190:10: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
cc1: all warnings being treated as errors

Doesn't seem like that was introduced by this branch, but CI got screwy, probably the last commit that went in.