crypto/tls: bogo test output is hard to parse

[rolandshoemaker]

See i.e. https://ci.chromium.org/ui/p/golang/builders/ci/gotip-windows-amd64-longtest/b8750306255775534897/test-results?sortby=&groupby=

May require upstream patches to make more intelligible.

[rolandshoemaker]

This has been (mostly) fixed.