Format all tests.

tests/language/regress_21795_test.dart

 // Copyright (c) 2015, 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.
 
 // Regression test for issue 21795.
 
 foo(t) {
   try {
     if (t == 123) throw 42;
-  } finally { }
+  } finally {}
 }
 
 bar() {
   try {
     return 42;
-  } finally { }
+  } finally {}
 }
 
-
 class A {
   test(t) {
     try {
       foo(t);
     } finally {
       if (t == 0) {
-        try {
-        } catch (err, st) {
-        }
+        try {} catch (err, st) {}
       }
     }
   }
 }
 
-
 main() {
   var a = new A();
-  for (var i=0; i<10000; ++i) a.test(0);
+  for (var i = 0; i < 10000; ++i) a.test(0);
   try {
     a.test(123);
   } catch (e, s) {
     if (s.toString().indexOf("foo") == -1) {
       print(s);
       throw "Expected foo in stacktrace!";
     }
   }
 }