add extension class to playgrounds
- Merge branch 'develop' into test/move-to-playgrounds
+ add creteAccounts method + move addCollectionAdmin tests to playgrounds
- Merge branch 'develop' into CI-40-int-test-parachain-mode-v1
tests/src/util/playgrounds/unique.ts97.6 KiBsourcehistoryadd extension class to playgrounds
+ add creteAccounts method + move addCollectionAdmin tests to playgrounds