[Travis] Use absolute paths

.travis.yml

@@ -21,7 +21,7 @@ before_script:
   - cd /tmp/cmake-2.8.9 && make -j4 && sudo make install
   - xpra --xvfb="Xorg +extension GLX -config `pwd`/Applications/Testing/dummy.xorg.conf -logfile ${HOME}/.xpra/xorg.log"  start :9
 
-script: ctest -V -S ./CMake/ctkTravisDashboardScript.cmake
+script: ctest -V -S /tmp/CTK/CMake/ctkTravisDashboardScript.cmake
 
 after_script:
   - xpra stop :9