test_call: Safer but faster.
test_call: Safer but faster.

Change-Id: I1348f6b26259d8dac5e97e47cbd4b1571e14eb6c
Reviewed-on: http://gerrit.aldebaran.lan/28280
Reviewed-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>
Tested-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>

bsautron/libqi,vbarbaresi/libqi,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi