absolute path for onlyif test

manifests/aes_sw.pp

@@ -100,7 +100,7 @@ class aes::aes_sw {
   exec { 'script-repo-pull':
     command => '/usr/bin/git pull',
     cwd => "${examadm_home}/scripts",
-    onlyif => "test -d ${examadm_home}/scripts/.git",
+    onlyif => "/usr/bin/test -d ${examadm_home}/scripts/.git",
     user => "${examadm_user}",
     group => "${examadm_group}",
     schedule => 'everyday',