History of tests::row 2 changes

In crates/hub/src/diffusion.rs, lines 1479–1497 on 84e3c09656b2741d9b7f1f9e4772f3fdd4724f85e7da30e517e24db79ed4c3d1. 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 1479,1497:crates/hub/src/diffusion.rs.