--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -102,7 +102,7 @@
 
     if (propertyKey && propertyValue) {
       // Set URL or suffix
-      await contract.methods.setProperties(tokenId, [{ key: propertyKey, value: Buffer.from(propertyValue)}]).send();
+      await contract.methods.setProperties(tokenId, [{key: propertyKey, value: Buffer.from(propertyValue)}]).send();
     }
 
     const event = result.events.Transfer;
--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -111,7 +111,7 @@
     return new web3.eth.Contract(collectionHelpersAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, gas: this.helper.eth.DEFAULT_GAS});
   }
 
-  collection(address: string, mode: TCollectionMode, caller?: string, mergeDeprecated: boolean = false): Contract {
+  collection(address: string, mode: TCollectionMode, caller?: string, mergeDeprecated = false): Contract {
     let abi = {
       'nft': nonFungibleAbi,
       'rft': refungibleAbi,