testing: add an integration test for yaml-test-suite#187

Draft

tanriol wants to merge 7 commits intochyh1990:masterfrom tanriol:add-yaml-testsuite

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Commits on Jan 16, 2022

testing: add an integration test for yaml-test-suite
tanriol
committed

Commits on Jan 17, 2022

yaml-test-suite: move to libtest-mimic
tanriol
committed

Commits on Jan 19, 2022

yaml-test-suite: print the YAML text on failure
tanriol
committed