More travis ACL / setuid tests

.travis.yml

@@ -6,7 +6,10 @@ os:
     osx
 
 before_install:
-    sudo apt-get install inotify-tools
+    sudo apt-get install inotify-tools acl
+
+sudo:
+    required
 
 script:
     TRAVIS_RUN=true dev/tests/run_tests.sh

dev/tests/run_tests.sh

@@ -227,7 +227,7 @@ function oneTimeSetUp () {
 
 	# This will make travis fail because of missing stuff
 	touch fic
-	chattr +i fic
+	sudo chattr +i fic
 	mount -o remount,acl /
 	setfacl -m o::rwx fic
 	getfacl fic