[ostree] test-rofiles-fuse: skip when fusermount is not present

[Colin Walters <walters src gnome org>]

commit 2badf36cfdd7684eb83bb5d4113a4be6217a63ee
Author: Giuseppe Scrivano <gscrivan redhat com>
Date:   Mon Feb 29 14:51:03 2016 +0100

    test-rofiles-fuse: skip when fusermount is not present
    
    Signed-off-by: Giuseppe Scrivano <gscrivan redhat com>

 tests/test-rofiles-fuse.sh |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/test-rofiles-fuse.sh b/tests/test-rofiles-fuse.sh
index f621df9..fef7415 100755
--- a/tests/test-rofiles-fuse.sh
+++ b/tests/test-rofiles-fuse.sh
@@ -24,6 +24,8 @@ echo "1..5"
 . $(dirname $0)/libtest.sh
 setup_test_repository "bare-user"
 
+fusermount --version >/dev/null 2>&1 || exit 77
+
 mkdir mnt
 
 $OSTREE checkout test2 checkout-test2