Having an application that runs with an insecure certificate results in an error from k6.
time="2017-11-29T14:15:16Z" level=warning msg="Request Failed" error="Put https://xxxxxxx: x509: certificate signed by unknown authority"
You need to add the insecureSkipTLSVerify: true
in options or add the --insecure-skip-tls-verify
flag.