@Test
public void shouldNotRevokeLeadershipIfNotLeader() {

	ResponseEntity<String> responseEntity = this.leaderController.revokeLeadership();
	String message = String.format("Cannot revoke leadership because '%s' is not a leader", this.host);
	assertThat(responseEntity.getBody()).isEqualTo(message);
	assertThat(responseEntity.getStatusCode()).isEqualTo(HttpStatus.BAD_REQUEST);
	verify(this.mockContext, times(0)).yield();
}