Format all tests.

tests/language/async_rethrow_test.dart

Index: tests/language/async_rethrow_test.dart
diff --git a/tests/language/async_rethrow_test.dart b/tests/language/async_rethrow_test.dart
index 07120056adec8ae173bd4d24fe0b9dc9125c8ce9..9ed117c6ead847ad3aaeb23bb334072b2b9c96a6 100644
--- a/tests/language/async_rethrow_test.dart
+++ b/tests/language/async_rethrow_test.dart
@@ -27,18 +27,23 @@ rethrowString() async {
 
 testThrow() {
   Future f = throwString();
-  f.then((v) { Expect.fail("Exception not thrown"); },
-      onError: (e) { Expect.equals(exceptionString, e);});
+  f.then((v) {
+    Expect.fail("Exception not thrown");
+  }, onError: (e) {
+    Expect.equals(exceptionString, e);
+  });
 }
 
-
 testRethrow() {
   Future f = rethrowString();
-  f.then((v) { Expect.fail("Exception not thrown"); },
-      onError: (e) { Expect.equals(exceptionString, e);});
+  f.then((v) {
+    Expect.fail("Exception not thrown");
+  }, onError: (e) {
+    Expect.equals(exceptionString, e);
+  });
 }
 
 main() {
   testThrow();
   testRethrow();
-}
+}