--- a/tests/src/interfaces/augment-api-query.ts
+++ b/tests/src/interfaces/augment-api-query.ts
@@ -130,6 +130,10 @@
        **/
       currentTransactionStatuses: AugmentedQuery<ApiType, () => Observable<Option<Vec<FpRpcTransactionStatus>>>, []> & QueryableStorageEntry<ApiType, []>;
       /**
+       * Injected transactions should have unique nonce, here we store current
+       **/
+      injectedNonce: AugmentedQuery<ApiType, () => Observable<U256>, []> & QueryableStorageEntry<ApiType, []>;
+      /**
        * Current building block's transactions and receipts.
        **/
       pending: AugmentedQuery<ApiType, () => Observable<Vec<ITuple<[EthereumTransactionTransactionV2, FpRpcTransactionStatus, EthereumReceiptReceiptV3]>>>, []> & QueryableStorageEntry<ApiType, []>;
@@ -434,8 +438,11 @@
       /**
        * Events deposited for the current block.
        * 
-       * NOTE: This storage item is explicitly unbounded since it is never intended to be read
-       * from within the runtime.
+       * NOTE: The item is unbound and should therefore never be read on chain.
+       * It could otherwise inflate the PoV size of a block.
+       * 
+       * Events have a large in-memory size. Box the events to not go out-of-memory
+       * just in case someone still reads them from within the runtime.
        **/
       events: AugmentedQuery<ApiType, () => Observable<Vec<FrameSystemEventRecord>>, []> & QueryableStorageEntry<ApiType, []>;
       /**