--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -255,6 +255,11 @@
 			.max(Self::create_item_fungible())
 			.max(Self::create_item_refungible(data))
 	}
+	fn create_multiple_items(amount: u32) -> Weight {
+		Self::create_multiple_items_nft(amount)
+			.max(Self::create_multiple_items_fungible(amount))
+			.max(Self::create_multiple_items_refungible(amount))
+	}
 	fn burn_item() -> Weight {
 		// TODO: refungible, fungible
 		Self::burn_item_nft()
@@ -901,9 +906,7 @@
 		/// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].
 		///
 		/// * owner: Address, initial owner of the NFT.
-		#[weight = <SelfWeightOf<T>>::create_item(items_data.iter()
-							   .map(|data| { data.data_size() as u32 })
-							   .sum())]
+		#[weight = <SelfWeightOf<T>>::create_multiple_items(items_data.len() as u32)]
 		#[transactional]
 		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResult {
 
@@ -929,7 +932,7 @@
 		/// * collection_id: ID of the collection.
 		///
 		/// * value: New flag value.
-		#[weight = <SelfWeightOf<T>>::burn_item()]
+		#[weight = <SelfWeightOf<T>>::set_transfers_enabled_flag()]
 		#[transactional]
 		pub fn set_transfers_enabled_flag(origin, collection_id: CollectionId, value: bool) -> DispatchResult {
 
--- a/tests/src/pallet-presence.test.ts
+++ b/tests/src/pallet-presence.test.ts
@@ -25,6 +25,7 @@
   'evm',
   'evmcodersubstrate',
   'evmcontracthelpers',
+  'evmmigration',
   'evmtransactionpayment',
   'ethereum',
   'xcmpqueue',
--- a/tests/src/setChainLimits.test.ts
+++ b/tests/src/setChainLimits.test.ts
@@ -13,7 +13,7 @@
   IChainLimits,
 } from './util/helpers';
 
-describe('Negative Integration Test setChainLimits', () => {
+describe.skip('Negative Integration Test setChainLimits', () => {
   let alice: IKeyringPair;
   let bob: IKeyringPair;
   let dave: IKeyringPair;
--- a/tests/src/transfer.test.ts
+++ b/tests/src/transfer.test.ts
@@ -60,7 +60,7 @@
         // tslint:disable-next-line:no-unused-expression
         expect(result.success).to.be.false;
       };
-      expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees , e.g. account balance too low');
+      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees , e.g. account balance too low');
     });
   });