fix unit test with old versions of boost

gcontini

2020-02-10 205c71575c272a685011c641a33d26cf66cf60a0

 .gitignore

@@ -7,6 +7,9 @@
*.so
*.dylib

#Visual studio files
.vs

# Compiled Static libraries
*.lai
*.la
@@ -15,9 +18,18 @@
/Testing

# Cmake generated files
build
build/*
!build/.gitkeep 

#eclipse files
.cproject
.settings
.project
*.out
/Default/

projects/*
!projects/.gitkeep

**/CMakeCache.txt
**/CMakeFiles