2 Chronicles 32:31

31 But when envoys were sent by the rulers of Babylon to ask him about the miraculous sign that had occurred in the land, God left him to test him and to know everything that was in his heart.

Read 2 Chronicles 32:31 Using Other Translations

Howbeit in the business of the ambassadors of the princes of Babylon, who sent unto him to enquire of the wonder that was done in the land, God left him, to try him, that he might know all that was in his heart.
And so in the matter of the envoys of the princes of Babylon, who had been sent to him to inquire about the sign that had been done in the land, God left him to himself, in order to test him and to know all that was in his heart.
However, when ambassadors arrived from Babylon to ask about the remarkable events that had taken place in the land, God withdrew from Hezekiah in order to test him and to see what was really in his heart.