divider block under the list incorrectly turns the whole list into a header

[sidorares]

input:

Test
- test 1
- test 2
---

test3

Actual result:

[
  {
    "type": "header",
    "text": {
      "type": "plain_text",
      "text": "Test\n- test 1\n- test 2"
    }
  },
  {
    "type": "section",
    "text": {
      "type": "mrkdwn",
      "text": "test3"
    }
  }
]

Expected result:

[
  {
    "type": "section",
    "text": {
      "type": "mrkdwn",
      "text": "Test"
    }
  },
  {
    "type": "section",
    "text": {
      "type": "mrkdwn",
      "text": "• test 1\n• test 2"
    }
  },
  {
    "type": "divider"
  },
  {
    "type": "section",
    "text": {
      "type": "mrkdwn",
      "text": "test3"
    }
  }
]

This is how github renders it: