Fixed warning: we were using deprecated SignalSpy functions in tests.
Fixed warning: we were using deprecated SignalSpy functions in tests.

Change-Id: I907275b3d148c2979cb555744c53153dc30b0894
Reviewed-on: http://gerrit.aldebaran.lan/73546
Reviewed-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>
Reviewed-by: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran.com>
Reviewed-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>
Tested-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi