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