Robustness and federation sync

plug-api/lib/test_utils.ts

@@ -0,0 +1,8 @@
+import wikiMarkdownLang from "../../common/markdown_parser/parser.ts";
+import type { ParseTree } from "$sb/lib/tree.ts";
+import { parse } from "../../common/markdown_parser/parse_tree.ts";
+
+export function parseMarkdown(text: string): ParseTree {
+  const lang = wikiMarkdownLang([]);
+  return parse(lang, text);
+}