- Many text expects are now wrapped in setTimeout, as the fetch
promises settle async now.
- This makes the tests somewhat brittle, and we should maybe consider
reworking some of them. For example it is very hard to perform
a test like `expect(spy).to.have.not.been.called` in an async way.
(We could instead inspect the fakeServer requests() to know this.)
- Also includes some trickery for osm.js, which uses d3-xml (fetch)
now for unauthenticated calls and osmauth (xhr) for authenticated calls
(closes#4297)
The previous approach split the viewport up by pixels, but each time the view
moved, the pixels would change, so it was not a stable selection of the
streetview data, and the markers would fight for position as the user moved
around.
This approach uses utilTiler to partition the view into stable tiles.
