issues: 519490511

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
519490511 MDExOlB1bGxSZXF1ZXN0MzM4MjIzNTk1 3493 Tests for module-level functions with units 14808389 closed 0     8 2019-11-07T20:20:33Z 2019-11-15T14:49:33Z 2019-11-14T01:24:08Z MEMBER   0 pydata/xarray/pulls/3493

This PR adds tests that cover the module level functions of the public API, similar to #3238 and #3447. - [x] Tests added - [x] Passes black . && mypy . && flake8 - [x] Fully documented, including whats-new.rst for all changes and api.rst for new API

As a reference for myself, these are the functions listed by the docs: * [x] apply_ufunc * [x] align * [x] broadcast * [x] concat * [x] merge * [x] combine_by_coords * [x] combine_nested * [ ] <strike>auto_combine (deprecated)</strike> * [x] masking / selecting: where * [x] replication: full_like, ones_like, zeros_like * [x] dot * [ ] <strike>map_blocks</strike>

Functions not covered by this PR: * auto_combine (deprecated) * map_blocks (dask specific, should be the same as apply_ufunc without dask)

 
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