* Tests: add a test that created items and locations exist in the datapackage
* move FF validation to `assert_generate` and remove test exclusion
* test created location addresses are correct
* make the assertion proper and more verbose
* make item count test ~~a bit faster~~ a lot nicer
* 120 blaze it
* name test multiworld setup better and fix another over 120 line in FFR
* Tests: add test to check for typo'd item name group definitions
Factorio: item *name* group was pointing to IDs instead.
Server: prevent crash when using Event-filled item name group
* Server: prevent crash when /hint'ing for an item name group with events