Refactor List.setRange function.

tests/language/list_test.dart

Index: tests/language/list_test.dart
diff --git a/tests/language/list_test.dart b/tests/language/list_test.dart
index a0a12ec3bbe05cdcba60655266d63b51d9518b97..d3afdf8be822999746a285f82d56e606a396466c 100644
--- a/tests/language/list_test.dart
+++ b/tests/language/list_test.dart
@@ -54,17 +54,17 @@ class ListTest {
 
     Expect.throws(() {
       List a = new List(4);
-      a.setRange(1, 1, a, null);
+      a.setRange(1, 2, a, null);
     });
 
     Expect.throws(() {
       List a = new List(4);
-      a.setRange(1, 1, const [1, 2, 3, 4], null);
+      a.setRange(1, 2, const [1, 2, 3, 4], null);
     });
 
     Expect.throws(() {
       List a = new List(4);
-      a.setRange(10, 1, a, 1);
+      a.setRange(10, 11, a, 1);
     }, (e) => e is RangeError);
 
     a = new List(4);