Fixed checked-mode error in security_context_argument_test.

tests/standalone/io/security_context_argument_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.
 
 import "package:expect/expect.dart";
 import "dart:io";
 
 String localFile(path) => Platform.script.resolve(path).toFilePath();
 
 bool printException(e) { print(e); return true; }
 bool argumentError(e) => e is ArgumentError;
+bool argumentTypeError(e) => e is ArgumentError || e is TypeError;

[Søren Gjesse, 2015/10/05 13:25:36]

Please call it argumentOrTypeError.

 bool tlsException(e) => e is TlsException;
 
 void testUsePrivateKeyArguments() {
     var c = new SecurityContext();
     c.useCertificateChain(localFile('certificates/server_chain.pem'));
     Expect.throws(() => c.usePrivateKey(
           localFile('certificates/server_key.pem'), password: "dart" * 1000),
         argumentError);
     Expect.throws(() => c.usePrivateKey(
           localFile('certificates/server_key.pem')),
         tlsException);
     Expect.throws(() => c.usePrivateKey(
           localFile('certificates/server_key.pem'), password: "iHackSites"),
         tlsException);
     Expect.throws(() => c.usePrivateKey(
           localFile('certificates/server_key_oops.pem'), password: "dartdart"),
         tlsException);
-    Expect.throws(() => c.usePrivateKey(1), argumentError);
+    Expect.throws(() => c.usePrivateKey(1), argumentTypeError);
     Expect.throws(() => c.usePrivateKey(null), argumentError);
     Expect.throws(() => c.usePrivateKey(
           localFile('certificates/server_key_oops.pem'), password: 3),
-        argumentError);
+        argumentTypeError);
     c.usePrivateKey(
         localFile('certificates/server_key.pem'), password: "dartdart");
 }    
 
 void main() {
   testUsePrivateKeyArguments();
 }