* Add undo/redo tests for annotations
Fixes https://github.com/chanzuckerberg/cellxgene/issues/969
... also refactor the tests for DRY.
* Add done()
* Make e2e annotations tests safer to concurrency
* Add data-testclass for save state.
* Simplify tests and make them dependent on save state
* Add smoke test for annotations features
* Do not save during annotations tests
* Fix botched rebase in dev guidelines
* Revert "Do not save during annotations tests"
This reverts commit f0bd970bb2.
* Respond to feedback from @bkmartinjr
* menubar 1
* zoom switching
* centering, pixel perfect canvas
* remove dead args and code
* clipping
* remove log
* if
* connect props
* lint
* undo
* logo left, componetize
* graph back to full height
* shadow to top
* do not prematurely call event handlers during render
* change test to deal with async histogram creation
* left section padding
* lint
* adjust graph to account for top bar,
* lasso tests
* refine histogram tests
* remove testing (onlys)
Matt Weiden