\begin{beamercolorbox}[ht=3.2ex,dp=-1ex,center,leftskip=-1em,colsep*=.75ex,wd=34.5cm]{block subtitle}%

    \usebeamerfont*{block subtitle} {
        \begin{flushright}
            teste
        \end{flushright}
    }
\end{beamercolorbox}