History of tests::disk 1 change

In crates/flow/src/cache.rs, lines 261–265 on ed4aef8b70ca73c382d749781ca0fb768997d4da20802ac4ceba96b144dc3baa. 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 261,265:crates/flow/src/cache.rs.