Fixed typo in unit testing tutorial (T05)

Tutorials/T05-PyUnit/slides/Unit Testing.tex

@@ -280,7 +280,7 @@ class TestCircles:
 \end{frame}
 
 \begin{frame}[fragile]
-\frametitle{Floating Point assertsions}
+\frametitle{Floating Point assertions}
 \begin{itemize}
 	\item{\texttt{approx(expected, rel=None, abs=None, nan\_ok=False)}}
 	
@@ -403,7 +403,7 @@ class TestCircles:
 \end{frame}
 
 \begin{frame}[fragile]
-\frametitle{Pytest plugin for measuring coverage}
+\frametitle{Pytest  plugin for measuring coverage}
 	\begin{itemize}
 		\item{\url{https://pypi.python.org/pypi/pytest-cov}}
 	\end{itemize}