feat: add file to test output when the functions that allows transform pdf to string is call
feat: add file to test output when the functions that allows transform pdf to string is call

NumberZeroSoftware/PDFINVEST,NumberZeroSoftware/PDFINVEST,NumberZeroSoftware/PDFINVEST,NumberZeroSoftware/PDFINVEST,NumberZeroSoftware/PDFINVEST