Update language tests to new optional parameter syntax and semantics.

tests/language/named_parameters_passing_false_test.dart

Index: tests/language/named_parameters_passing_false_test.dart
===================================================================
--- tests/language/named_parameters_passing_false_test.dart	(revision 12414)
+++ tests/language/named_parameters_passing_false_test.dart	(working copy)
@@ -10,31 +10,37 @@
   TestClass();
 
   bool method([bool value]) => value;
+  bool method2({bool value}) => value;
 
   static bool staticMethod([bool value]) => value;
+  static bool staticMethod2({bool value}) => value;
 }
 
 bool globalMethod([bool value]) => value;
+bool globalMethod2({bool value}) => value;
 
 
 main() {
   var obj = new TestClass();
 
   Expect.equals(null, obj.method());
+  Expect.equals(null, obj.method2());
   Expect.equals(true, obj.method(true));
-  Expect.equals(true, obj.method(value: true));
+  Expect.equals(true, obj.method2(value: true));
   Expect.equals(false, obj.method(false));
-  Expect.equals(false, obj.method(value: false));
+  Expect.equals(false, obj.method2(value: false));
 
   Expect.equals(null, TestClass.staticMethod());
+  Expect.equals(null, TestClass.staticMethod2());
   Expect.equals(true, TestClass.staticMethod(true));
-  Expect.equals(true, TestClass.staticMethod(value: true));
+  Expect.equals(true, TestClass.staticMethod2(value: true));
   Expect.equals(false, TestClass.staticMethod(false));
-  Expect.equals(false, TestClass.staticMethod(value: false));
+  Expect.equals(false, TestClass.staticMethod2(value: false));
 
   Expect.equals(null, globalMethod());
+  Expect.equals(null, globalMethod2());
   Expect.equals(true, globalMethod(true));
-  Expect.equals(true, globalMethod(value: true));
+  Expect.equals(true, globalMethod2(value: true));
   Expect.equals(false, globalMethod(false));
-  Expect.equals(false, globalMethod(value: false));
+  Expect.equals(false, globalMethod2(value: false));
 }