basics/enumerate.py: Don't turn enumerate test into heap test.

With range(10000), doesn't fit into 128K heap.

tests/basics/enumerate.py

@@ -2,5 +2,5 @@ print(list(enumerate([])))
 print(list(enumerate([1, 2, 3])))
 print(list(enumerate([1, 2, 3], 5)))
 print(list(enumerate([1, 2, 3], -5)))
-print(list(enumerate(range(10000))))
+print(list(enumerate(range(1000))))