John 14:15-31 records the events of the hour after the Passover meal before they all depart to Gethsemane. Since Jesus told his disciples he was leaving, he promised to send another comforter or advocate. (I have put in a short explanation on the difference in the interpretation of this passage between Christianity and Islam). Jesus then explained clearly he will be going away and send the Holy Spirit in his place.
In Genesis 42 there was famine in Canaan, as happened quite regularly, so Joseph’s brothers went down to Egypt to buy food. They met Joseph, now governor of Egypt, and he demanded to see Benjamin, who was left behind with Jacob. They agreed to do so and left one of the brothers behind as collateral. Joseph was very distraught at the proposition, since Joseph and Benjamin were his favorite children.
And in Genesis 43 the famine continued, so they had to go back to Egypt for more. This time they had to bring Benjamin with them to keep their promise to Joseph. Joseph gave them all food from his table, and he gave a five times larger portion to Benjamin. So ends that chapter.
Genesis 44 tells how Joseph tested his brothers by having Joseph’s own silver cup placed in Benjamin’s sack as the brothers returned back to Canaan. They all passed the test and returned to Joseph to await his judgment.