protected void createFilter() throws IOException {
Injector injector = ContextBuilder.newBuilder(new ChefApiMetadata()).credentials(USER_ID, PRIVATE_KEY)
.modules(ImmutableSet.<Module> of(new MockModule(), new NullLoggingModule())).buildInjector();
HttpUtils utils = injector.getInstance(HttpUtils.class);
Supplier<PrivateKey> privateKey = injector.getInstance(Key.get(new TypeLiteral<Supplier<PrivateKey>>() {
}));
signing_obj = new SignedHeaderAuth(new SignatureWire(),