tests/builtin_minmax: Make compatible with @native codegen.

tests/basics/builtin_minmax.py

@@ -35,5 +35,7 @@ print(min([1, 2, 3, 4, 5], default=-1))
 print(min([], default=-1))
 print(max([1, 2, 3, 4, 5], default=-1))
 print(max([], default=-1))
-# Make sure it works with lazy iterables
-print(min((i for i in []), default=-10))
+# make sure it works with lazy iterables
+# can't use Python generators here, as they're not supported
+# byy native codegenerator.
+print(min(enumerate([]), default=-10))