os: use t.Fatalf instead of t.Errorf in TestErrProcessDone
If err is non-nil, use t.Fatalf to avoid panic when calling p.Wait().
Change-Id: Ief4e43ba5ad782999063941ed3b12f3fe4d93621
GitHub-Last-Rev:
5d32b3c082e54a914360cb4434d4cc7682e7031e
GitHub-Pull-Request: golang/go#61740
Reviewed-on: https://go-review.googlesource.com/c/go/+/515655
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>