Now, the child selector does not throw when the quantity doesn't match. Instead in checks that only a single Wrap is a child of Container. If Container would have 2+ or zero Wraps it would not find it instead. (filter it out as possible matching candidate)
This query would fail when the entire widget tree contains two
Wrap.Now, the child selector does not throw when the quantity doesn't match. Instead in checks that only a single
Wrapis a child ofContainer. IfContainerwould have2+or zeroWraps it would not find it instead. (filter it out as possible matching candidate)