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Matthias Krüger
8aa6cfbe53
[AIX] Update tests/ui/wait-forked-but-failed-child.rs to accomodate exiting and idle processes. The `wait-forked-but-failed-child.rs` test expects to see an integer PPID in the output of the command: `ps -A -o pid,ppid,args`. However, on AIX, sometimes an integer PPID is not available when a process is either exiting or idle, as documented in https://www.ibm.com/docs/en/aix/7.3?topic=p-ps-command. In these situations, a `-` is instead shown in the PPID column of the `ps` output. This PR updates the test to accommodate this behaviour on AIX by first filtering out the lines of the `ps` output where a `-` is found in the `PPID` column.