Use unexpected-messy for doing all the diffing [ci skip].
Update unexpected to 5.0.0-beta13.
Switch to the 'diff' errorMode introduced in unexpected 5.0.0-beta13.
Update unexpected-messy to 1.4.0, fix tests and tweak the output.
Merge branch 'pureToSatisfy'

* pureToSatisfy:
  Update unexpected-messy to 1.4.0, fix tests and tweak the output.
  Switch to the 'diff' errorMode introduced in unexpected 5.0.0-beta13.
  Update unexpected to 5.0.0-beta13.
  Use unexpected-messy for doing all the diffing [ci skip].

Conflicts:
	package.json
2.0.0