Format all tests.

tests/corelib/iterable_expand_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "package:expect/expect.dart";
 import 'dart:collection';
 
 class MyList extends ListBase {
   List list;
   MyList(this.list);
 
   get length => list.length;
-  set length(val) { list.length = val; }
+  set length(val) {
+    list.length = val;
+  }
 
   operator [](index) => list[index];
   operator []=(index, val) => list[index] = val;
 
   String toString() => "[" + join(", ") + "]";
 }
 
-
 main() {
   test(expectation, iterable) {
     Expect.listEquals(expectation, iterable.toList());
   }
 
   // Function not called on empty iterable.
-  test([], [].expand((x) { throw "not called"; }));
+  test(
+      [],
+      [].expand((x) {
+        throw "not called";
+      }));
 
   // Creating the iterable doesn't call the function.
-  [1].expand((x) { throw "not called"; });
+  [1].expand((x) {
+    throw "not called";
+  });
 
   test([1], [1].expand((x) => [x]));
   test([1, 2, 3], [1, 2, 3].expand((x) => [x]));
 
   test([], [1].expand((x) => []));
   test([], [1, 2, 3].expand((x) => []));
   test([2], [1, 2, 3].expand((x) => x == 2 ? [2] : []));
 
   test([1, 1, 2, 2, 3, 3], [1, 2, 3].expand((x) => [x, x]));
   test([1, 1, 2], [1, 2, 3].expand((x) => [x, x, x].skip(x)));
@@ skipping 16 matching lines @@
   Iterator it = iterable.iterator;
   Expect.isTrue(it.moveNext());
   Expect.equals(1, it.current);
   Expect.isTrue(it.moveNext());
   Expect.equals(1, it.current);
   Expect.throws(it.moveNext, (e) => e == "FAIL");
   // After throwing, iteration is ended.
   Expect.equals(null, it.current);
   Expect.isFalse(it.moveNext());
 }