%! TEX root = main.tex
\input{preamble.tex}
\begin{document}
\section{Test Case}
\label{sec:test_case}
\section{Test Specification}
\label{sec:test_spec}
\section{Test Results}
\label{sec:test_results}
\section{Discussion and Outlook}
\label{sec:discussion}
\end{document}