test: fix flaky form feedback test #2217
Merged
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Problem
Closes #2213
Solution
Instead of mucking around with array sorting again, just perform an unordered check by using
arrayContaining
to check that the expected array is a subset of the received array, and then check that their lengths are identical to ensure that the arrays contain identical contents. Since this loses the check on the ordering of the elements, perform an additional check that the timestamps are sorted. This works even if the array elements are different, as long as the timestamps are identical.