Server actually ticks

tests/mod_loading_test.ts

@@ -83,7 +83,11 @@ Deno.test("a mod made from the template loads and runs", async () => {
 	take(1);
 	send(1, { type: "use_block", x: 1, y: y + 1, z: 1, face: "top" });
 	const messages = take(1);
-	assert(messages.some((m) => m.type === "chat" && m.text === "You found the example block!"));
+	assert(messages.some((m) => m.type === "chat" && m.text.startsWith("You found the example block!")));
+	// it counts its age with on_second
+	for (let i = 0; i < 3 * 20; i++) game.tick();
+	send(1, { type: "use_block", x: 1, y: y + 1, z: 1, face: "top" });
+	assert(take(1).some((m) => m.text === "You found the example block! It's been here for 3 seconds."));
 	assertEquals(game.world.get_block_id(1, y + 2, 1), "bworld:air");
 
 	// the shaped recipe: 4 example items in a square