@Test
public void testBody() throws IOException, MessagingException {

  emailSender.sendEmail(FROM_ADDR, TO_ADDR, SUBJECT_LINE, BODY, Collections.emptyList());
  MimeMultipart mimeMultipart = (MimeMultipart) capturedMessage.value.getContent();
  Object content = mimeMultipart.getBodyPart(0).getContent();
  assertThat(content, is(BODY));
}