test.run(arguments = 'f1.out f3.out')
test.run(arguments = 'f1.out f2.out f3.out f4.out', stdout =
-test.wrap_stdout("""scons: "f1.out" is up to date.
+test.wrap_stdout("""\
+scons: `f1.out' is up to date.
%s build.py f2.out f2.in
-scons: "f3.out" is up to date.
+scons: `f3.out' is up to date.
%s build.py f4.out f4.in
""" % (python, python)))