fix unit test with old versions of boost

gcontini

2020-02-10 205c71575c272a685011c641a33d26cf66cf60a0

 .gitignore

@@ -18,7 +18,8 @@
/Testing

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

#eclipse files
.cproject
@@ -26,3 +27,9 @@
.project
*.out
/Default/

projects/*
!projects/.gitkeep

**/CMakeCache.txt
**/CMakeFiles