go.tools/go/types: exclude broken test case (fix build)
go.tools/go/types: exclude broken test case (fix build)

TBR=adonovan

TBR=adonovan
R=adonovan
CC=golang-codereviews
https://codereview.appspot.com/86260043

d0f/go-zh.tools,skyportsystems/go.tools,bryanxu/go-zh.tools,webfd/go-zh.tools,8limbs/gotools,webfd/go-zh.tools,d0f/go-zh.tools,skyportsystems/go.tools,d0f/go-zh.tools,webfd/go-zh.tools,webfd/go-zh.tools,8limbs/gotools,bryanxu/go-zh.tools,bryanxu/go-zh.tools,bryanxu/go-zh.tools,skyportsystems/go.tools,webfd/go-zh.tools,8limbs/gotools,d0f/go-zh.tools,bryanxu/go-zh.tools,skyportsystems/go.tools,skyportsystems/go.tools,d0f/go-zh.tools