compiletest "Blessing the {stream} of {test_name} in {expected_path:?}" test name is incorrect

[jieyouxu]

https://github.com/rust-lang/rust/blob/bc7512ee6309ee7e8cacf87b94aa6d1f550c9d99/src/tools/compiletest/src/runtest.rs#L2651C27-L2651C84

Looks like it was incorrectly assigned a compare mode instead

rust/src/tools/compiletest/src/runtest.rs

Lines 2612 to 2613 in bc7512e

	// Write the actual output to a file in build/
	let test_name = self.config.compare_mode.as_ref().map_or("", |m| m.to_str());