I contributed a test case for the question 'First Unique Number' during 30 day challenge of april. I think the the problem number is 1429( as it is locked now, i can't verify).
My solution was giving wrong output for particular inputs but it got accepted.
I contributed that test case, but it is still pending.
Do Leetcode check contributed testcases? atleast they should give some feedback even if my testcase is wrong.