_content/doc: update GOROOT/test invocation in contribution guide
The top-level test suite in $GOROOT/test is implemented as a normal
go test in the new internal/testenv package as of CL 463276. Update
the contribution guide accordingly.
Updates golang/go#56844.
Change-Id: I73bfa8e4fc7c35f63efdde42ddf3552b5a518136
Reviewed-on: https://go-review.googlesource.com/c/website/+/471895
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/_content/doc/contribute.html b/_content/doc/contribute.html
index faa7fc5..75f5314 100644
--- a/_content/doc/contribute.html
+++ b/_content/doc/contribute.html
@@ -1167,8 +1167,7 @@
by <code>all.bash</code> but you can also run it manually:
<pre>
-$ cd $GOROOT/test
-$ $GOROOT/bin/go run run.go
+$ $GOROOT/bin/go test internal/testdir
</pre>
</ul>
