Improve a test to execute untested code in write_json_info in cobj/codegen.c#667

yutaro-sakamoto merged 2 commits intoopensourcecobol:developopensourcecobol/opensourcecobol4j:developfrom

yutaro-sakamoto:improve-coverage-info-json-diryutaro-sakamoto/opensourcecobol4j:improve-coverage-info-json-dirCopy head branch name to clipboard