Umänderung der nextGeneration Methode

test/LifeTest.java

@@ -49,7 +49,16 @@ public class LifeTest {
 
     @Test
     public void destroyCrowdedCell() {
+        Life l = new Life();
+        l.setAlive(1, 1);
+        l.setAlive(0, 1);
+        l.setAlive(2, 1);
+        l.setAlive(1, 0);
+        l.setAlive(1, 2);
+
+        ILife nextGen = l.nextGeneration();
+
+        assertFalse(nextGen.isAlive(1, 1));
+    }
 }
 
-
-}