@SuppressWarnings("unchecked")
@Test
public void testGetHeaderValues() {

    Request wrappedRequest = createMockRequest();
    Map<String, String[]> header = createMock(Map.class);
    expect(wrappedRequest.getHeaderValues()).andReturn(header);
    replay(wrappedRequest);
    RequestWrapper request = createRequestWrapper(wrappedRequest);
    assertEquals(header, request.getHeaderValues());
    verify(wrappedRequest);
}