Merge pull request #830 from dperaza4dustbit/fix_tpa_pre_install

Fix TPA pre-install failure checking for real

Author: openshift-merge-bot[bot]

installer/scripts/test-url.sh

@@ -19,6 +19,7 @@ declare -r STATUS_CODE="${STATUS_CODE:-200}"
 # Tests if the URL is online and returns the expected HTTP status code.
 probe_url() {
     local response_code
+    local curl_exit
 
     echo "# INFO: Probing URL '${URL}' for the status code '${STATUS_CODE}'... "