test(fetch): enforce exact CLI output at the owning layer

moli-html2md/README.md

@@ -72,8 +72,9 @@ Tables with `role="presentation"` or `role="none"` retain ordinary block expansi
 in DOM order with blank lines between cells, even when structurally simple. Role
 matching ignores ASCII case and surrounding HTML whitespace. Nested layout
 wrappers expand into readable blocks. Tables with header cells, captions, explicit
-data roles, header relationships or real cell spans retain data-table structure.
-Complex data tables use content-only HTML: non-unit spans, multiple `thead` rows, rows wider than
+data roles, header relationships or real cell spans retain their authored structure.
+These tables use content-only HTML for non-unit spans, multiple `thead` rows,
+rows wider than
 an explicit header, or cells containing nested tables, lists, headings, quotes
 or preformatted blocks. This retains header, cell and nested-table associations
 that Markdown pipe tables cannot express. Inner simple tables can still produce

moli-html2md/tests/turndown/README.md

@@ -33,8 +33,8 @@ case is skipped. A reference change that makes a difference obsolete also fails
 the test. Separate converter tests cover GFM tables and strikethrough as Moli
 extensions. Explicit table headers follow Turndown's GFM plugin; simple headerless
 tables receive empty headings. Complex tables retain content-only HTML so merged
-cells and nested tables keep their associations. Explicitly presentational tables
-still expand into blocks.
+cells and nested tables keep their associations. Presentational and layout-only containing
+tables expand into blocks; their simple inner tables can use GFM.
 
 ## Findings tracked outside the reference corpus
 

moli/tests/fetch_cli/markdown.rs

@@ -33,7 +33,7 @@ fn assert_markdown_dump(html: &str, markdown: &str, args: &[&str]) -> Result<()>
     );
     assert_eq!(
         String::from_utf8(output.stdout)?,
-        format!("{}\n", markdown.trim_end_matches('\n'))
+        markdown.trim_end_matches('\n')
     );
     Ok(())
 }