strace-S.test: check "-S name"

* tests/strace-S.test: Add a check for "-c -S name" output.
diff --git a/tests/strace-S.test b/tests/strace-S.test
index 7b188aa..0ffec30 100755
--- a/tests/strace-S.test
+++ b/tests/strace-S.test
@@ -24,5 +24,6 @@
 
 c='[[:space:]]\+\([^[:space:]]\+\)'
 test_c calls '-n -r' '/^[[:space:]]\+[0-9]/ s/^'"$c$c$c$c"'[[:space:]].*/\4/p'
+test_c name '' '/^[[:space:]]\+[0-9]/ s/^'"$c$c$c$c"'\([[:space:]]\+[0-9]\+\)\?'"$c"'$/\6/p'
 
 rm -f "$OUT"