prevent clang-tidy warnings

[ClausKlein]

Expected Behavior

no warnings

Actual Behavior

WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='154', severity='warning', message='multiple declarations in a single statement reduces readability [readability-isolate-declaration]', column='3')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='261', severity='warning', message='do not declare C-style arrays, use std::array<> instead [modernize-avoid-c-arrays]', column='19')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='263', severity='warning', message='multiple declarations in a single statement reduces readability [readability-isolate-declaration]', column='3')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='285', severity='warning', message='do not declare C-style arrays, use std::array<> instead [modernize-avoid-c-arrays]', column='19')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='288', severity='warning', message='statement should be inside braces [readability-braces-around-statements]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='298', severity='warning', message='do not declare C-style arrays, use std::array<> instead [modernize-avoid-c-arrays]', column='19')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='300', severity='warning', message='statement should be inside braces [readability-braces-around-statements]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='517', severity='warning', message="function 'what' should be marked [[nodiscard]] [modernize-use-nodiscard]", column='3')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='540', severity='warning', message='do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [hicpp-no-array-decay]', column='10')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='546', severity='warning', message="return type 'const type_<TOther>' is 'const'-qualified at the top level, which may reduce code readability without improving const correctness [readability-const-return-type]", column='17')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='929', severity='warning', message='do not declare C-style arrays, use std::array<> instead [modernize-avoid-c-arrays]', column='11')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1314', severity='warning', message="do not use 'else' after 'return' [readability-else-after-return]", column='7')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1329', severity='warning', message="throwing an exception whose type 'events::fatal_assertion' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='11')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1428', severity='warning', message="method 'operator=' can be made const [readability-make-member-function-const]", column='18')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1454', severity='warning', message='do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [hicpp-no-array-decay]', column='26')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ft/test_suite_2.cpp', lineno='14', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='62')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/benchmark/test.cpp', lineno='10', severity='warning', message="function 'main' exceeds recommended size/complexity thresholds [readability-function-size]", column='5')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='546', severity='warning', message="return type 'const type_<int>' is 'const'-qualified at the top level, which may reduce code readability without improving const correctness [readability-const-return-type]", column='17')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1446', severity='warning', message='do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [hicpp-no-array-decay]', column='28')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='1563', severity='warning', message='do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [hicpp-no-array-decay]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/include/boost/ut.hpp', lineno='2204', severity='warning', message='do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [hicpp-no-array-decay]', column='44')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='71', severity='warning', message='use emplace_back instead of push_back [modernize-use-emplace]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='73', severity='warning', message='use emplace_back instead of push_back [modernize-use-emplace]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='75', severity='warning', message='use emplace_back instead of push_back [modernize-use-emplace]', column='25')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='96', severity='warning', message="throwing an exception whose type 'ut::events::fatal_assertion' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='11')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='130', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='37')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='238', severity='warning', message="function 'main' exceeds recommended size/complexity thresholds [readability-function-size]", column='5')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='314', severity='warning', message="the 'empty' method should be used to check for emptiness instead of comparing to an empty object [readability-container-size-empty]", column='19')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='479', severity='warning', message="'auto old_cout' can be declared as 'auto *old_cout' [readability-qualified-auto]", column='7')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='480', severity='warning', message="'auto old_cerr' can be declared as 'auto *old_cerr' [readability-qualified-auto]", column='7')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1006', severity='warning', message="the 'empty' method should be used to check for emptiness instead of comparing to an empty object [readability-container-size-empty]", column='14')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1108', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='34')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1109', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='54')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1113', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='35')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1150', severity='warning', message='statement should be inside braces [readability-braces-around-statements]', column='28')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1150', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='35')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1161', severity='warning', message="throwing an exception whose type 'events::exception' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='15')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1164', severity='warning', message="throwing an exception whose type 'int' is not derived from 'std::exception' [hicpp-exception-baseclass]", column='41')
WarningErrorEntry(path='/Users/clausklein/Workspace/cpp/ut/test/ut/ut.cpp', lineno='1605', severity='warning', message="function 'get' should be marked [[nodiscard]] [modernize-use-nodiscard]", column='7')

Steps to Reproduce the Problem

1. merge fix cmake install config package #421
2. run-clang-tidy.py -p build -header-filter='.*' -checks='-cert-*' test
3. see https://github.com/ClausKlein/ut/runs/1973383718?check_suite_focus=true
4. and https://github.com/boost-ext/ut/blob/d15ad0e4945d187d4500d4c191cda69262f4f884/.github/workflows/macos.yml

Specifications

• Version: 1.1.8
• Platform: OSX
• Subsystem: Clang