tests: add udev_wait before tearing scsi_debug

Make less probably there will be some udev work going while we try
to remove scsi_debug target.

diff --git a/test/lib/aux.sh b/test/lib/aux.sh
index 9a4868958e8747510f2088e26688dcbcb2f54414..b7a9ad6aa86a7ad6a2f8b1967fd5714fb0c3ab7d 100644 (file)
--- a/test/lib/aux.sh
+++ b/test/lib/aux.sh
@@ -462,6 +462,7 @@ teardown_devs() {
        # NOTE: SCSI_DEBUG_DEV test must come before the LOOP test because
        # prepare_scsi_debug_dev() also sets LOOP to short-circuit prepare_loop()
        if test -f SCSI_DEBUG_DEV; then
+               udev_wait
                test "${LVM_TEST_PARALLEL:-0}" -eq 1 || modprobe -r scsi_debug
        else
                test ! -f LOOP || losetup -d "$(< LOOP)" || true