test_call: Adapt to upgraded MethodStatistics.
test_call: Adapt to upgraded MethodStatistics.

Change-Id: Ic0131a789cb0682aaf3424a69b67c9dbe9dc8794
Reviewed-on: http://gerrit.aldebaran.lan/22372
Reviewed-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>
Tested-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>

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