Format all tests.

tests/language_strong/syncstar_less_than_test.dart

Index: tests/language_strong/syncstar_less_than_test.dart
diff --git a/tests/language_strong/syncstar_less_than_test.dart b/tests/language_strong/syncstar_less_than_test.dart
index b0551a8750816f430f3ff26a963350b47f9b6b7a..b8251d36908acaaff5ec6b4ee028715af49a0972 100644
--- a/tests/language_strong/syncstar_less_than_test.dart
+++ b/tests/language_strong/syncstar_less_than_test.dart
@@ -7,12 +7,12 @@ import "package:expect/expect.dart";
 confuse(x) => [1, 'x', true, null, x].last;
 
 Iterable<int> foo() sync* {
- var a = confuse(1);
- if (a < 10) {
-   yield 2;
- }
+  var a = confuse(1);
+  if (a < 10) {
+    yield 2;
+  }
 }
 
 main() {
   Expect.listEquals(foo().toList(), [2]);
-}
+}