5 check_expected ([<<'EOF', <<'EOF']);
7 (multi-child-fd) open "sample.txt"
11 (multi-child-fd) wait(exec()) = 0
12 (multi-child-fd) verified contents of "sample.txt"
14 multi-child-fd: exit(0)
16 (multi-child-fd) begin
17 (multi-child-fd) open "sample.txt"
20 (multi-child-fd) wait(exec()) = -1
21 (multi-child-fd) verified contents of "sample.txt"
23 multi-child-fd: exit(0)