[PATCH 2/2] generic/402: use _try_scratch_mount instead of _scratch_mount

[Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx>]

Here will check the return code of mount option. So update it
to use _try_scratch_mount

Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx>
---
 tests/generic/402 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/generic/402 b/tests/generic/402
index 7fc81864..4c940ac4 100755
--- a/tests/generic/402
+++ b/tests/generic/402
@@ -102,7 +102,7 @@ run_test()
 }
 
 _scratch_mkfs &>> $seqres.full 2>&1 || _fail "mkfs failed"
-_scratch_mount || _fail "scratch mount failed"
+_try_scratch_mount || _fail "scratch mount failed"
 
 _require_timestamp_range $SCRATCH_DEV
 
-- 
2.23.0