Give test players tiles so it doesn't fail on isAlive check

tests/PlayerImpl.test.ts

@@ -6,6 +6,7 @@ import {
   UnitType,
 } from "../src/core/game/Game";
 import { setup } from "./util/Setup";
+import { SpawnExecution } from "../src/core/execution/SpawnExecution";
 
 let game: Game;
 let player: Player;
@@ -24,6 +25,12 @@ describe("PlayerImpl", () => {
       ],
     );
 
+    // Add spawn executions to give players territory
+    game.addExecution(
+      new SpawnExecution(game.player("player_id").info(), game.ref(0, 0)),
+      new SpawnExecution(game.player("other_id").info(), game.ref(20, 20)),
+    );
+
     while (game.inSpawnPhase()) {
       game.executeNextTick();
     }