@Test
public void testProcessShouldSetNotBodyWhenHeaderIsNull() throws ApplicationException {

    //GIVEN
    given(entity.getHeader(CONTENT_TYPE)).willReturn(null);
    given(entity.getInputStream()).willReturn(inputStream);
    given(fastinfosetDecompressor.decompress(inputStream)).willReturn(body);
    //WHEN
    underTest.process(entity);
    //THEN
    verify(entity, never()).setBody(body.toString());
}