tests: tweak strace-ff.test for slow startup case

strace starts up much slower when invoked under valgrind control.
Increase the tracee's sleep delay to let strace more time to attach.

* tests/strace-ff.test: Increase sleep delay.

diff --git a/tests/strace-ff.test b/tests/strace-ff.test
index 7107527cc8dddc7f05b7382f36fc58f083f58ff8..6141814aeec067186cde644b9fd59d3ef2ec7c6c 100755 (executable)
--- a/tests/strace-ff.test
+++ b/tests/strace-ff.test
@@ -7,7 +7,7 @@
 run_prog_skip_if_failed \
        kill -0 $$
 
-../set_ptracer_any ../sleep 1 > "$OUT" &
+../set_ptracer_any ../sleep 3 > "$OUT" &
 tracee_pid=$!
 
 while ! [ -s "$OUT" ]; do