fixup??? t3701: verify that we can add *lots* of files interactively

This seems to be needed by the new `chainlint` code.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

t/t3701-add-interactive.sh

@@ -1057,7 +1057,7 @@ test_expect_success EXPENSIVE 'add -i with a lot of files' '
 		git add -N $name &&
 		y="${y}y$LF" &&
 		i=$(($i+1)) ||
-		break
+		exit 1
 	done &&
 	echo "$y" | git add -p -- . &&
 	git diff --cached >staged &&