Hi -

This occurred last night:  take for what it's worth.

The last days are likened to the days of Lot.  As we know, God was looking for righteous people in Sodom, that He might spare the city.  So He sent two angels and they were greeted with hospitality from Lot, but with hostility by the rest of the townspeople.  Perhaps the "test" for righteousness was hospitality to strangers.

Jesus said in Matt. 24 and Mark 13 that He would send His angels to gather His elect.

In Rev. 3:10 the promise of being kept from the hour of trial is for those who persevere.

The romantic conjecture is that we will all have opportunities in these last pre-rapture momemts to entertain angels (Hebrews 13:2) and that is the test of perseverence.  God will send angels, in the guise of homeless, lost, crippled and the like - to determine whether we are really persevering in the faith, or whether we talk the talk only.