### Question:
AuthorizationHeadersProvider extends BasicHttpHeadersProvider { public void removeAuthorization() { getHttpHeaders().remove(AUTHORIZATION_HEADER); }  void addAuthorization(final String authorization); void removeAuthorization();  }### Answer:
@Test public void testRemoveAuthorization() { final HttpHeaders headers = provider.getHttpHeaders(); final int size = headers.size(); provider.removeAuthorization(); provider.removeAuthorization(); assertEquals(size, headers.size()); }