@Test
public void testDoGetShouldSetContentTypeToXml() throws ServletException, IOException {

    //GIVEN
    String nullString = null;
    given(bufferedReaderFactory.createBufferedReader(SCHEMA)).willReturn(reader);
    given(reader.readLine()).willReturn(nullString);
    //WHEN
    underTest.doGet(request, response);
    //THEN
    verify(response).setContentType("application/xml");
}