.*Unexpected EOF, expected tag elif or else or endif.
.*If-condition is malformed.
.*Block named 'test' already defined.*
.*Name for 'endblock' must equal to 'block'\-tag's name \('test' != 'test2'\).
.*Name for 'endblock' must equal to 'block'-tag's name \('test2' != 'xy'\).
.*Either no or only one argument \(identifier\) allowed for 'endblock'.