History of tests::row 2 changes

In crates/hub/src/diffusion.rs, lines 1275–1293 on 67be8ac00c24637b7b82d659fedbd481c48a17939e6ac1a61454ba2acb575531. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 1275,1293:crates/hub/src/diffusion.rs.