Add option to skip all tests requiring an internet connection.

Author: ColtonWilley

scripts/ocsp-stapling.test

@@ -11,6 +11,11 @@ if [[ -z "${RETRIES_REMAINING-}" ]]; then
     export RETRIES_REMAINING=2
 fi
 
+if test -n "$WOLFSSL_NO_EXTERNAL_NETWORK_TESTS"; then
+    echo 'skipping oscp-stapling.test because WOLFSSL_NO_EXTERNAL_NETWORK_TESTS defined.'
+    exit 77
+fi
+
 if ! ./examples/client/client -V | grep -q 3; then
     echo 'skipping ocsp-stapling.test because TLS1.2 is not available.' 1>&2
     exit 77