certificates/authority/testdata/templates/badjsonvalue.tpl

{
    "subject": 1,
    "sans": {{ toJson .SANs }},
{{- if typeIs "*rsa.PublicKey" .Insecure.CR.PublicKey }}
    "keyUsage": ["keyEncipherment", "digitalSignature"],
{{- else }}
    "keyUsage": ["digitalSignature"],
{{- end }}
    "extKeyUsage": ["serverAuth", "clientAuth"]
}