unicode decoding is not working

[mmlb]

zfsonlinux changed its format and illumos/omnios is broken also

vagrant@omnios-vagrant:/export/home/vagrant/src/github.com/mistifyio/go-zfs$ sudo ./go-zfs.test -test.v
=== RUN   TestError
--- PASS: TestError (0.00s)
=== RUN   TestDatasets
--- PASS: TestDatasets (0.13s)
=== RUN   TestSnapshots
--- PASS: TestSnapshots (0.13s)
=== RUN   TestFilesystems
--- PASS: TestFilesystems (0.18s)
=== RUN   TestCreateFilesystemWithProperties
--- PASS: TestCreateFilesystemWithProperties (0.15s)
=== RUN   TestVolumes
--- PASS: TestVolumes (1.15s)
=== RUN   TestSnapshot
--- PASS: TestSnapshot (0.17s)
=== RUN   TestClone
--- PASS: TestClone (0.19s)
=== RUN   TestSendSnapshot
--- PASS: TestSendSnapshot (0.17s)
=== RUN   TestChildren
--- PASS: TestChildren (0.20s)
=== RUN   TestListZpool
--- PASS: TestListZpool (0.12s)
=== RUN   TestRollback
--- PASS: TestRollback (0.24s)
=== RUN   TestDiff
zfs_test.go:361:

        exp: "/test/origin/i ❤ unicode"

        got: "/test/origin/i \xff77777742\xff77777635\xff77777644 unicode"

--- FAIL: TestDiff (0.10s)
FAIL