sjnam 93bcf91299 test/chan: fix trivial typos
Substition -> Substitution

Change-Id: Iede578d733d1c041133742b61eb0573c3bd3b17c
GitHub-Last-Rev: 7815bd346dbe23a5412d0602a4f6480b893c447d
GitHub-Pull-Request: golang/go#38059
Reviewed-on: https://go-review.googlesource.com/c/go/+/225417
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-03-25 22:22:20 +00:00
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