diff --git a/test_gol.py b/test_gol.py
index 3f1a24ccf955bc9236a825bf750b6ea5c35ac345..bad4330d759a0726d48829c50ef49b6eaeea0799 100644
--- a/test_gol.py
+++ b/test_gol.py
@@ -21,23 +21,28 @@ def oscillators():
 
 
 def test_gol_still_lifes(): 
-    gol = GameOfLife()
     for l in still_lifes():
-        if np.any(l != gol.next(l)):
+        gol = GameOfLife(l)
+        gol.update()
+        if not np.all(l == gol.board()):
             assert False,"Still life was not still."
 
 def test_gol_oscillators():
-    gol=GameOfLife()
     for l_i,l_o in oscillators():
-        if np.any(l_o != gol.next(l_i)):
+        gol=GameOfLife(l_i)
+        gol.update()
+        if not np.all(l_o == gol.board()):
             assert False,"Oscillators did not work."
 
 def test_gol_benchmark(benchmark):
-    gol=GameOfLife()
     board = np.ones((50,50))
-    benchmark(gol.next,board)
+    def gol_next(board):
+        gol=GameOfLife(board)
+        gol.update()
+        return gol.board()
+    benchmark(gol_next, board)
 
 
 if __name__ == "__main__":
     test_gol_still_lifes()
-    test_gol_oscillators()
\ No newline at end of file
+    test_gol_oscillators()