\documentclass{beamer}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage{graphicx}
\usepackage{caption}
\usepackage{amsmath}
\usepackage{gensymb}
\usepackage{yfonts}
\usepackage{mathrsfs}

\title{\textbf{Test}}

\begin{document}

% Title page
\maketitle

\begin{frame}
\frametitle{Outline}
\tableofcontents
\end{frame}

\section{First frame}
\begin{frame}
  \frametitle{First frame}
  \begin{itemize}
    \item Frame 1 test.
  \end{itemize}
\end{frame}

\section{Second frame}
\begin{frame}
  \frametitle{Second frame}
  \begin{itemize}
    \item Frame 2 test.
  \end{itemize}
\end{frame}

\section{Third frame}
\begin{frame}
  \frametitle{Third frame}
  \begin{itemize}
    \item Frame 3.1 test.
  \end{itemize}
\end{frame}

\begin{frame}
  \frametitle{Third frame, second part}
  \begin{itemize}
    \item Frame 3.2 test.
  \end{itemize}
\end{frame}


\end{document}
