document:
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        type: ul_list
        nodes:
            - object: block
              type: list_item
              nodes:
                - object: block
                  type: paragraph
                  nodes:
                    - object: text
                      leaves:
                        - text: Item 1
            - object: block
              type: list_item
              nodes:
                - object: block
                  type: paragraph
                  nodes:
                    - object: text
                      leaves:
                        - text: Item 2
            - object: block
              type: list_item
              nodes:
                - object: block
                  type: paragraph
                  nodes:
                    - object: text
                      leaves:
                        - text: Item 3