remove the depency in the tests as it is not important and add urdfdom dependency to traivs

tests/CMakeLists.txt

@@ -108,7 +108,6 @@ MACRO(ADD_JRL_WALKGEN_TEST test_arg test_file_name)
 
   TARGET_LINK_LIBRARIES(${test_name} ${PROJECT_NAME})
   PKG_CONFIG_USE_DEPENDENCY(${test_name} jrl-mal)
-  PKG_CONFIG_USE_DEPENDENCY(${test_name} pinocchio)
 
   ADD_TEST(${test_name} ${test_name} ${urdfpath} ${srdfpath})
 

travis_custom/custom_before_install

@@ -17,7 +17,7 @@ sudo free -m -t
 # Add dependencies from apt
 export APT_DEPENDENCIES="doxygen doxygen-latex libboost-all-dev libeigen3-dev liblapack-dev libblas-dev gfortran"
 # Add dependencies from robot-pkg
-export APT_DEPENDENCIES=$APT_DEPENDENCIES" robotpkg-jrl-mal+jrl-mathtools"
+export APT_DEPENDENCIES=$APT_DEPENDENCIES" robotpkg-urdfdom robotpkg-urdfdom-headers robotpkg-jrl-mal+jrl-mathtools"
 
 # Add one git dependency
 export GIT_DEPENDENCIES=$GIT_DEPENDENCIES" https://github.com/MaximilienNaveau/simple_humanoid_description.git"