python-docx's next_paragraph_style setter drops self-references (WA Nrml Pgr -> itself, WA TOC -> itself), which would make Word continue those paragraphs as Normal; the test now asserts the w:next element.
python-docx's next_paragraph_style setter drops self-references (WA Nrml Pgr -> itself, WA TOC -> itself), which would make Word continue those paragraphs as Normal; the test now asserts the w:next element.