Format all tests.

tests/corelib/linked_hash_map_test.dart

Index: tests/corelib/linked_hash_map_test.dart
diff --git a/tests/corelib/linked_hash_map_test.dart b/tests/corelib/linked_hash_map_test.dart
index dfefca45be9d888c9a56d2191f15c43948b26aba..166bc28472c35fdc0327c037b8796d806a3ebb60 100644
--- a/tests/corelib/linked_hash_map_test.dart
+++ b/tests/corelib/linked_hash_map_test.dart
@@ -4,6 +4,7 @@
 
 // Dart test for linked hash-maps.
 library linkedHashMap.test;
+
 import "package:expect/expect.dart";
 import 'dart:collection' show LinkedHashMap;
 
@@ -78,7 +79,6 @@ class LinkedHashMapTest {
     final keysAfterBMove = const ["a", "c", "d", "e", "b"];
     final valuesAfterBMove = const [1, 3, 4, 5, 6];
 
-
     clear();
     map.forEach(testForEachMap);
     verifyKeys(keysAfterBMove);