t.run_build_system()
t.expect_addition("bin/foo.bar")
-t.fail_test(string.find(t.read("bin/foo.bar"), "12345678") == -1)
+t.fail_test(t.read("bin/foo.bar").find("12345678") == -1)
# Regression test. Make sure that if a main target is requested two times, and