The ornamental design for a tent, as shown and described.
FIG. 1 is a front view of the tent, according to the present invention, the back view being a mirror image thereof, with the front flap in a fully closed position;
FIG. 2 is a right side view of the tent of FIG. 1, the left side view being a mirror image thereof;
FIG. 3 is a top view of the tent of FIG. 1; and,
FIG. 4 is a front view of the tent of FIG. 1 with the right hand and left hand portions of the front flap open.
The broken lines shown are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claimed design.