Test test_all_robot fails

[jbmouret]

------------ SUMMARY ------------
OK  => [franka] cartesian_line.yaml
OK  => [talos] arm.yaml
OK  => [talos] clapping.yaml
OK  => [talos] squat.yaml
OK  => [talos] walk.yamlOK  => [talos] walk_on_spot.yamlOK  => [talos] traj_teleop1.yamlOK  => [talos] active_walk.yamlERROR => [icub] arm.yaml        ERROR Exception:The frame with name 'left_foot' does not exist []  (test_all_robots$
cpp:225)
ERROR => [icub] squat.yaml
        ERROR Exception:The frame with name 'left_foot' does not exist []  (test_all_robots$cpp:225)
ERROR => [icub] walk.yaml
        ERROR Exception:The frame with name 'left_foot' does not exist []  (test_all_robots$
cpp:225)
ERROR => [icub] walk_on_spot.yaml
        ERROR Exception:The frame with name 'left_foot' does not exist []  (test_all_robots$
cpp:225)
ERROR => [icub] traj_teleop1.yaml        ERROR Exception:The frame with name 'left_foot' does not exist []  (test_all_robots$cpp:225)
OK  => [tiago] cartesian_line.yaml