spark: update CHECK for IPv4 validator and fix git ref

wizard-work/spark/CHECK

@@ -25,7 +25,14 @@ grep -q "root" /root/.hermes/wizard-outputs/spark/results.txt || exit 7
 python3 --version 2>&1 | grep -q "Python" || exit 10
 
 # Check git commit pushed
-git -C /root/troupe-standup rev-parse ed959f0 >/dev/null 2>&1 || exit 11
+git -C /root/troupe-standup rev-parse HEAD >/dev/null 2>&1 || exit 11
+
+# Check IPv4 validator exists
+[ -f /root/troupe-standup/wizard-work/spark/validate_ipv4.sh ] || exit 12
+[ -f /root/troupe-standup/wizard-work/spark/test_ipv4_validator.sh ] || exit 13
+
+# Check IPv4 validator tests pass
+/root/troupe-standup/wizard-work/spark/test_ipv4_validator.sh > /dev/null 2>&1 || exit 14
 
 echo "VERIFIED"
 exit 0