test-imagex-ntfs: Use lazy unmount

Apparently, it's possible for 'fusermount -u' to return before a NTFS-3g-based
filesystem has actually unmounted, therefore causing a subsequent mount to the
same location to fail if it happens quickly enough.  Using a lazy unmount should
fix this I think...

diff --git a/tests/test-imagex-ntfs b/tests/test-imagex-ntfs
index 73cda082a3296ed5d993524e23dce7044533248d..5e9a2a3f365ccec392cee1cef9fc3b4d119082eb 100755 (executable)
--- a/tests/test-imagex-ntfs
+++ b/tests/test-imagex-ntfs
@@ -17,7 +17,7 @@ imagex() {
 }
 
 __do_unmount() {
-       if !  fusermount -u $1; then
+       if !  fusermount -z -u $1; then
                error "Failed to unmount \"$1\""
        fi