The Zed->Joule rebrand changed a test-input frontmatter value "author: Zed"
(3 chars) to "Joule" (5 chars), shifting the hardcoded byte-offset assertions
in test_metadata_blocks_store_table_rows. Update content_range 4..28 -> 4..30
and the author value 24..27 -> 24..29 to match the new length. The only
length-sensitive test broken by the rename; all other renamed test literals are
string-equality/marker-based and unaffected.
Verified: markdown 93/93, vim 28/28, settings 537/537, release_channel green.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
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