To compile:
***********

cd /path-to-gudhi/
cmake .
cd /path-to-test/
make

To launch with details:
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SINGLE FIELD
------------
./PersistentCohomologyUT simplex_tree_file_for_unit_test.txt --report_level=detailed --log_level=all 

   ==> echo $? returns 0 in case of success (non-zero otherwise)

MULTI FIELD
-----------
./PersistentCohomologyMultiFieldUT simplex_tree_file_for_multi_field_unit_test.txt --report_level=detailed --log_level=all

   ==> echo $? returns 0 in case of success (non-zero otherwise)