shouldGetMessage unit test

shouldGetMessage.java

    @Test
    public void shouldGetMessage(){
        //given
        Message message = new Message("test-title","test-text");
        //when
        Mockito.when(messageRepository.findMessageById(message.getId())).thenReturn(message);
        Message messageFromRepository = messageService.getById(message.getId());
        //then
        assertEquals("ids not equal",message.getId(),messageFromRepository.getId());
        assertEquals("texts not equal",message.getText(),messageFromRepository.getText());
        assertEquals("titles not equal",message.getTitle(),messageFromRepository.getTitle());
    }