documentclass[10pt, a4paper, serif]{beamer}
usepackage{beamerthemeshadow}


title[]{Test I}
subtitle[]{}
author[Alexandre Loures]{Alexandre Loures}
institute{}
date{}

begin{document}

maketitle

section{}

begin{frame}

frametitle{}{

test I

}

end{frame}

include{title} % <= here comes the file created the part

begin{frame}

frametitle{}{

test II

}

end{frame}

end{document}

section{}

title[]{Test II}
subtitle[]{}
%author[]{}
institute{}
date{}

maketitle