Fix bad test print and move locks for printf into macro. #4546
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Description
A message of "Failed to close socket" was always being printed, not
just when the socket failed to close. This patch fixes this in
addition to a simplifying the call to a thread safe printf.
Status
READY
Migrations
If this PR changes any APIs or behaviors, give a short description of what API users should do when this PR is merged.
NO
Todos