Fix: Removing test when no visualization lib is given.

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@183 042f3d55-54a8-47e9-b7fb-15903f145c44

VirtualRobot/tests/CMakeLists.txt

@@ -5,7 +5,9 @@ ADD_VR_TEST( VirtualRobotRobotTest )
 
 ADD_VR_TEST( VirtualRobotTransformationTest )
 
-ADD_VR_TEST( VirtualRobotCollisionTest )
+if (SIMOX_VISUALIZATION)
+	ADD_VR_TEST( VirtualRobotCollisionTest )
+endif()
 
 ADD_VR_TEST( VirtualRobotJacobianTest )