test: fix BusyBox portability issues in backend test suite
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@@ -263,7 +263,7 @@ ORPHAN_PROBE_PPID=""
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for _ in $(seq 1 20); do
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ORPHAN_PROBE_PPID="$(awk '/^PPid:/ { print $2 }' "/proc/$ORPHAN_PROBE_PID/status" 2>/dev/null || true)"
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[ -n "$ORPHAN_PROBE_PPID" ] && break
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sleep 0.05
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sleep 1
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done
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[ -n "$ORPHAN_PROBE_PPID" ] ||
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fail "failed to create an orphaned init.d probe fixture"
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