Here we would like to draw your attention to /XFT/INV_TEST_VIEWER transaction code in SAP. As we know it is being used in the SAP BC (Basis) module. /XFT/INV_TEST_VIEWER is a transaction code used for Test viewer in SAP.
It comes under the package /XFT/INV_VIEWER.When we execute this transaction code, /XFT/INV_TEST_VIEWER is the normal standard SAP program that is being executed in background.
Transaction /XFT/INV_TEST_VIEWER technical data table