Add tests for capabilities which have been updated to work
when only a model (and not whole objects) are cached; that
change was introduced to prevent misbehavior of the Remove
action in Edit mode, WTD-473.
Add specs for remaining capabilities and capability
wrappers employed by Edit mode. Completes coverage
for bundle platform/commonUI/edit, which is being
transitioned along with other commonUI bundles in
WTD-574.