Fix error where the end of a funcdesc environment was accidentally moved too
far down.
diff --git a/Doc/lib/libtest.tex b/Doc/lib/libtest.tex
index f89c707..f30b49b 100644
--- a/Doc/lib/libtest.tex
+++ b/Doc/lib/libtest.tex
@@ -281,6 +281,7 @@
 The optional argument \var{testclass} accepts one of the test classes in the
 suite so as to print out more detailed information on where the testing suite
 originated from.
+\end{funcdesc}
 
 The \module{test.test_support} module defines the following classes:
 
@@ -299,4 +300,3 @@
 Temporarily unset the environment variable \code{envvar}.
 \end{methoddesc}
 
-\end{funcdesc}