Revert "[#APOLLO-3238] Improve CaseItem->BusinessRule test"

This reverts commit 9b28c8868110fe5b30e570ad7f77c389fbeeaac1.
Revert "[#APOLLO-3238] Case has BusinessRule"

This reverts commit f6eb47db54b3bdbdcba0d4205ed2d869146168d1.
[#APOLLO-3238] Business Rule Entity added