Add generic-methods 'golden' tests for 'reify' transformation

pkg/kernel/testcases/reify/generic_methods_dynamic_simple_error_test.dart

+// Copyright (c) 2017, 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.
+
+// Test that if the type of a parameter of a generic method is a type parameter,
+// the type of the passed argument is checked at runtime if the receiver is
+// dynamic, and an exception is thrown.
+
+library generic_methods_dynamic_simple_error_test;
+
+import "test_base.dart";
+
+class A {}
+
+class B {}
+
+class C {
+  T foo<T>(T t) => t;
+}
+
+main() {
+  B b = new B();
+  C c = new C();
+  dynamic obj = c;
+
+  expectThrows(() => obj.foo<A>(b), (e) => e is TypeError);
+}