* Refactor block type cleanup into shared cleanup.
* Use shared cleanup for block type cleanup.
* Remove overwriting of core Blockly block in test.
* Rename cleanup arrays for clarity
* Add blocks to cleanup array when defined in shared helpers
* Refactor logic for adding to shared cleanup.
* Add helper for defining block and adding block type to cleanup.
* Fix jsdocs
* Simplifying helpers for adding to cleanup.
* Add missing semicolons
* Update jsdoc for sharedTestSetup
* Use stub to wrap cleanup with defineBlocksWithJsonArray
* Remove unused helper from lint ignore
