History of tests::allow 1 change

In crates/flow/src/egress.rs, lines 262–264 on v0.5.1. 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 262,264:crates/flow/src/egress.rs.