Format all tests.

tests/language/bool_check_test.dart

 // Copyright (c) 2014, 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";
 
 bool typeChecksEnabled() {
   try {
     var i = 42;
     String s = i;
   } on TypeError catch (e) {
     return true;
   }
   return false;
 }
 
 bool assertionsEnabled() {
   try {
     assert(false);
     return false;
   } on AssertionError catch (e) {
     return true;
   }
   return false;
 }
 
 final bool typeChecksOn = typeChecksEnabled();
 final bool assertionsOn = assertionsEnabled();
 
-ifExpr(e) { if (e) return true; else return false; }
+ifExpr(e) {
+  if (e)
+    return true;
+  else
+    return false;
+}
+
 bool ifNull() => ifExpr(null);
 bool ifString() => ifExpr("true");
 
 main() {
   print("type checks: $typeChecksOn");
   print("assertions:  $assertionsOn");
 
   if (typeChecksOn) {
     Expect.throws(ifNull, (e) => e is AssertionError);
   }
   if (assertionsOn && !typeChecksOn) {
     Expect.throws(ifNull, (e) => e is AssertionError);
   }
   if (!typeChecksOn && !assertionsOn) {
     Expect.identical(false, ifNull());
   }
 
   if (!typeChecksOn) {
     Expect.identical(false, ifString());
   }
   if (typeChecksOn) {
     Expect.throws(ifString, (e) => e is TypeError);
   }
-}
+}