Jon Ross-Perkins 82f33ff384 Use new test framework in explorer to reduce per-test overhead (#2811) %!s(int64=3) %!d(string=hai) anos
..
empty.carbon 82f33ff384 Use new test framework in explorer to reduce per-test overhead (#2811) %!s(int64=3) %!d(string=hai) anos
shadowing.carbon 82f33ff384 Use new test framework in explorer to reduce per-test overhead (#2811) %!s(int64=3) %!d(string=hai) anos