History of tests::sky 2 changes

In crates/backdrop/src/sky.rs, lines 587–596 on 27322cd2755afbd1d64cd5554c81fa2ebfe3f664190fdf7543445f00ce89754c. 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 587,596:crates/backdrop/src/sky.rs.