+ test_begin_subtest "upgrade backup ($config)"
+ features=$(xapian-metadata get $XAPIAN_PATH features | grep -v "^relative directory paths")
+ xapian-metadata set $XAPIAN_PATH features "$features"
+ output=$(notmuch new | grep Welcome)
+ test_expect_equal \
+ "$output" \
+ "Welcome to a new version of notmuch! Your database will now be upgraded."
+