Merge branch 'sg/t3903-missing-fix'

Test fixes.

* sg/t3903-missing-fix:
  t3903-stash: don't try to grep non-existing file

t/t3903-stash.sh

@@ -724,7 +724,7 @@ test_expect_success 'store updates stash ref and reflog' '
 	git add bazzy &&
 	STASH_ID=$(git stash create) &&
 	git reset --hard &&
-	! grep quux bazzy &&
+	test_path_is_missing bazzy &&
 	git stash store -m quuxery $STASH_ID &&
 	test $(git rev-parse stash) = $STASH_ID &&
 	git reflog --format=%H stash| grep $STASH_ID &&