The reference output file only works for file. 'qemu-img convert -p'
makes a lot more progress updates for NFS than for file, so disable the
test for NFS.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
---
 tests/qemu-iotests/086 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/086 b/tests/qemu-iotests/086
index cd4494a660..84e3835071 100755
--- a/tests/qemu-iotests/086
+++ b/tests/qemu-iotests/086
@@ -38,7 +38,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.filter
 
 _supported_fmt qcow2 raw
-_supported_proto file nfs
+_supported_proto file
 _supported_os Linux
 
 function run_qemu_img()
-- 
2.13.6