Check that the WebAuthn command addCredential validates parameters
{
    error : {
        code : -32000
        message : The Virtual Authenticator Environment has not been enabled for this session
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : Could not find a Virtual Authenticator matching the ID
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : The Relying Party ID is a required parameter
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : Signature counter must be greater than or equal to -1
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : The Authenticator does not support Resident Credentials.
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : The User Handle is required for Resident Credentials
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : The User Handle must have a maximum size of 64
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32000
        message : An error occurred trying to create the credential
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : Specified options require an authenticator with resident key support
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : CMTG is not supported by this authenticator
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : Invalid CMTG key
    }
    id : <number>
    sessionId : <string>
}
{
    error : {
        code : -32602
        message : activeCmtgKeyIndex out of bounds
    }
    id : <number>
    sessionId : <string>
}