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

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