2014/testing/test1/string_test.go: fix swapped arguments

Fixes golang/go#9213.

Change-Id: I58c7da89780baeb1cc7d3811e3d89a4dae406777
Reviewed-on: https://go-review.googlesource.com/2230
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
1 file changed