Valgrind detected possible memory leaks.
It's turned out that the detection is the result of missing calls for flose() in input adapter tests.
To ensure that it correctly checks the behaviors and data flows in the fkYAML library, this PR has fixed the issue described above.
coverage: 100.0%. remained the same when pulling b4b27aca4406fbf4fd83f5b1cc7dcbbd386809c7 on feature/185_fix_missing_fclose_in_test into af050cede823d3b741fb89d95b247008c8e719d1 on develop.
Valgrind detected possible memory leaks.
It's turned out that the detection is the result of missing calls for flose() in input adapter tests.
To ensure that it correctly checks the behaviors and data flows in the fkYAML library, this PR has fixed the issue described above.