tests/thirdparty: standard library crypto/ed25519

[mmcloughlin]

No description provided.

[codecov-commenter]

Codecov Report

Merging #225 (07b9714) into master (b758297) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #225      +/-   ##
==========================================
+ Coverage   76.07%   76.08%   +0.01%     
==========================================
  Files          65       65              
  Lines       20552    20552              
==========================================
+ Hits        15634    15637       +3     
+ Misses       4839     4838       -1     
+ Partials       79       77       -2     

Flag	Coverage Δ
integration	11.84% <ø> (ø)
unittests	73.19% <ø> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
tests/thirdparty/config.go	83.33% <0.00%> (+1.85%)	⬆️

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[mmcloughlin]

There seems to be an issue with GOROOT that should be easy to fix, but the bigger problem is just how long make.bash takes. Can we install Go from a release instead? Or use the go install golang.org/dl/go1.17.3@latest method? What about the -latest test mode in that case?