Ajout des test pour la fonction change_grid

test.c

@@ -15,4 +15,13 @@ CESTER_TEST(test_grid_get_cell, grid,
     }
 )
 
+CESTER_TEST(test_grid_change_cell, grid,
+    {
+        struct Grid* grid = grid_new(5, 5);
+        change_cell_grid(grid, 1, 2, GOAL);
+        Affichage_grid(grid);
+        cester_assert_equal(GOAL, get_grid(grid, 1, 2));  
+        
+    }
+)