@Test
    @SqlGroup({
            @Sql(executionPhase = ExecutionPhase.BEFORE_TEST_METHOD, statements = "insert into `comment` (id, post_id, message) values (1, 1, 'testCommentFor delete');"),
            @Sql(executionPhase = ExecutionPhase.AFTER_TEST_METHOD, statements = "delete from comment;") })
    public void deleteComment_forValidRequest_returnsResponseCode204() throws Exception {

        mvc.perform(delete("/comments/1")).andExpect(status().isNoContent()).andDo(print());

    }

    @Test
    @SqlGroup({
            @Sql(executionPhase = ExecutionPhase.BEFORE_TEST_METHOD, statements = "insert into `comment` (id, post_id, message) values (1, 1, 'testCommentFor delete');"),
            @Sql(executionPhase = ExecutionPhase.AFTER_TEST_METHOD, statements = "delete from comment;") })
    public void deleteComment_forValidRequest_deletesComment() throws Exception {

        mvc.perform(get("/posts/1/comments"))
                .andExpect(jsonPath("$.length()", is(1)))
                .andExpect(jsonPath("$.[0].id", is(1)))
                .andDo(print());

        mvc.perform(delete("/comments/1")).andDo(print());
        
        mvc.perform(get("/posts/1/comments"))
        .andExpect(jsonPath("$.length()", is(0)))
        .andDo(print());

    }
    
    
    @Test
    @Sql(executionPhase = ExecutionPhase.BEFORE_TEST_METHOD, statements = "delete from comment;")
    public void deleteComment_whenCommentDoesNotExist_returnsResponseCode404() throws Exception {

        mvc.perform(delete("/comments/1")).andExpect(status().isNotFound()).andDo(print());

    }