testrunner: fold PreprocessorHelper into TestPreprocessor (#7848)
#20645
chrchr-githubCI-unixish.yml
on: push
Matrix: build
Matrix: build_cmake
Matrix: build_cmake_boost
Matrix: build_cmake_tinyxml2
Matrix: build_mathlib
Matrix: build_uchar
Matrix: check_nonneg
selfcheck
1h 5m