alternative to #3638. this is theoretically better for side-by-side diffs. in
practice it may make other diffs worse since all the \'s change when part of the
macro change.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
The intent of these annotations was presumably to make it easier to adjust
build settings on a per-test basis, but doing this in the build system is
actually much cleaner.
Alyssa Rosenzweig