Do not require pageflow global for Jest specs
Do not require pageflow global for Jest specs

When other packages use editor functionality that relies on `$state`,
we need to provide a default value for the pageflow global, to prevent
each package (e.g. `pageflow-scrolled`) from having to define the
global in its Jest config.

codevise/pageflow,codevise/pageflow,tf/pageflow,codevise/pageflow,codevise/pageflow,tf/pageflow,tf/pageflow,tf/pageflow