btrfs-progs: tests: change options to list all loop devices

The option --list might not be available on older versions, the
equvalent is --all. Discovered via failed travis build.

Signed-off-by: David Sterba <dsterba@suse.com>

tests/misc-tests/006-image-on-missing-device/test.sh

@@ -39,7 +39,7 @@ cleanup_devices()
 	for i in `seq $ndevs`; do
 		truncate -s0 img$i
 	done
-	run_check $SUDO_HELPER losetup --list
+	run_check $SUDO_HELPER losetup --all
 }
 
 test_image_dump()

tests/misc-tests/011-delete-missing-device/test.sh

@@ -32,7 +32,7 @@ cleanup_devices()
 	for i in `seq $ndevs`; do
 		truncate -s0 img$i
 	done
-	run_check $SUDO_HELPER losetup --list
+	run_check $SUDO_HELPER losetup --all
 }
 
 test_do_mkfs()

tests/mkfs-tests/001-basic-profiles/test.sh

@@ -32,7 +32,7 @@ cleanup_devices()
 	for i in `seq $ndevs`; do
 		truncate -s0 img$i
 	done
-	run_check $SUDO_HELPER losetup --list
+	run_check $SUDO_HELPER losetup --all
 }
 
 test_get_info()