add for iutest devloper natstepfilter

[srz-zumix]

fix #229

[codecov]

Codecov Report

Merging #237 into develop will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop     #237      +/-   ##
===========================================
+ Coverage    96.06%   96.06%   +<.01%     
===========================================
  Files          207      207              
  Lines        10238    10242       +4     
===========================================
+ Hits          9835     9839       +4     
  Misses         403      403

Impacted Files	Coverage Δ
include/internal/iutest_debug.hpp	0% <ø> (ø)	⬆️
include/internal/iutest_core_impl.hpp	100% <ø> (ø)	⬆️
include/impl/iutest_body.ipp	100% <ø> (ø)	⬆️
include/impl/iutest_info.ipp	96.42% <ø> (ø)	⬆️
include/iutest_info.hpp	100% <ø> (ø)	⬆️
include/impl/iutest_core_impl.ipp	97.5% <100%> (+0.04%)	⬆️
test/unit_typetraits_tests.cpp	88.88% <0%> (+3.17%)	⬆️

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[srz-zumix]

  C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x86\CL.exe /c /I"C:\Users\travis\build\srz-zumix\iutest\include" /Zi /nologo /W4 /WX /diagnostics:classic /Od /Ob0 /Oy- /D WIN32 /D _WINDOWS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /EHsc /RTC1 /MTd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /GR /std:c++17 /Fo"skip_tests.dir\Debug\\" /Fd"skip_tests.dir\Debug\vc141.pdb" /Gd /TP /analyze- /FC /errorReport:queue  /permissive- "C:\Users\travis\build\srz-zumix\iutest\test\skip_tests.cpp"
  skip_tests.cpp
c:\users\travis\build\srz-zumix\iutest\test\skip_tests.cpp(29): error C2220: warning treated as error - no 'object' file generated [C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj]
c:\users\travis\build\srz-zumix\iutest\test\skip_tests.cpp(29): warning C4702: unreachable code [C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj]
c:\users\travis\build\srz-zumix\iutest\test\skip_tests.cpp(36): error C2220: warning treated as error - no 'object' file generated [C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj]
c:\users\travis\build\srz-zumix\iutest\test\skip_tests.cpp(36): warning C4702: unreachable code [C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj]
c:\users\travis\build\srz-zumix\iutest\test\skip_tests.cpp(37): warning C4702: unreachable code [C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj]
Done Building Project "C:\Users\travis\build\srz-zumix\iutest\cmake-build\skip_tests.vcxproj" (default targets) -- FAILED.