Day after day they warned him, but he would not comply. So they reported it to Haman to see whether Mordecai’s behavior would be tolerated, since he had told them he was a Jew.
Jewish Publication Society of America Version (JPS1917) - Esther 3:4 >Now it came to pass, when they spoke daily unto him, and he hearkened not unto them, that they told Haman, to see whether Mordecai's words would stand; for he had told them that he was a Jew.