Add a few problematic constructs to test/Jamfile

test/Jamfile

@@ -1,12 +1,20 @@
-# Copyright 2018 Peter Dimov
+# Copyright 2018, 2019 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
 import testing ;
 
+project
+  : default-build <warnings-as-errors>on
+  ;
+
 compile compile.cpp ;
 compile-fail compile_fail.cpp ;
 link link.cpp ;
 link-fail link_fail.cpp ;
 run run.cpp ;
 run-fail run_fail.cpp ;
+
+run
+  arguments.cpp :
+  pumpkin ;