test rename overhaul: step 8 - language tests

tests/language/src/MethodInvocationTest.dart

-// Copyright (c) 2011, 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.
-
-// Testing method invocation.
-// Currently testing only NullPointerException.
-
-class A {
-  A() {}
-  int foo() {
-    return 1;
-  }
-}
-
-class MethodInvocationTest {
-  static void testNullReceiver() {
-    A a = new A();
-    Expect.equals(1, a.foo());
-    a = null;
-    bool exceptionCaught = false;
-    try {
-      a.foo();
-    } catch (NullPointerException e) {
-      exceptionCaught = true;
-    }
-    Expect.equals(true, exceptionCaught);
-  }
-
-  static void testMain() {
-    testNullReceiver();
-  }
-}
-
-main() {
-  MethodInvocationTest.testMain();
-}