Add file level comment and fix review comment

.env.example

@@ -18,4 +18,5 @@ ETHERSCAN_API_KEY = ETHERSCANAPIKEYETHERSCANAPIKEY
 DEVNET_URL = http://
 DEVNET_CHAINID = 1315
 DEVNET_PRIVATEKEY = 
-DEVNET_USER1 = 
+DEVNET_USER1 = 
+DEVNET_ERC721 = 

test/hardhat/e2e/constants.ts

@@ -1,3 +1,5 @@
+// This is the deployed protocol address constants file.
+
 export const AccessController = "0xf709c8001E94e2ca6F98b7fFBCd5BD3943E46D81";
 export const CoreMetadataModule = "0x89630Ccf23277417FBdfd3076C702F5248267e78";
 export const CoreMetadataViewModule = "0x6839De4A647eE2311bd765f615E09f7bd930ed25";
@@ -21,4 +23,6 @@ export const ProtocolPauseAdmin = "0x65C6Ec6Cc074eaf7ba3970C540b4379C9BcA8A67";
 export const RoyaltyModule = "0xEa6eD700b11DfF703665CCAF55887ca56134Ae3B";
 export const RoyaltyPolicyLAP = "0x28b4F70ffE5ba7A26aEF979226f77Eb57fb9Fdb6";
 export const RoyaltyPolicyLRP = "0x7D2d9af4E4ab14Afcfd86436BC348928B40963Dd";
-export const MockERC721 = "0x7a23aad16b2ac6ad74f76990a814b0f82bec83b8";
+
+// Mock ERC721 contract address
+export const MockERC721 = process.env.DEVNET_ERC721 as string;

test/hardhat/e2e/grouping/group.ipa.test.ts

@@ -1,3 +1,5 @@
+// Test: Group IP Asset
+
 import "../setup"
 import { expect } from "chai"
 import { EvenSplitGroupPool } from "../constants"
@@ -19,4 +21,4 @@ describe("Group IPA", function () {
       this.groupingModule.registerGroup(nonWhitelistedGroupPool)
     ).to.be.rejectedWith(Error)
   });
-});
+});

test/hardhat/e2e/ipa/ipa.test.ts

@@ -1,3 +1,5 @@
+// Test: IP Asset
+
 import "../setup"
 import { expect } from "chai"
 import { mintNFT } from "../utils/nftHelper"

test/hardhat/e2e/licenseTermsTemplate.ts

@@ -1,3 +1,5 @@
+// This file is used to define the terms of a license that will be used in the tests.
+
 import hre from "hardhat";
 
 export const terms = {

test/hardhat/e2e/permission/permission.test.ts

@@ -1,3 +1,5 @@
+// Test: Permission
+
 import "../setup"
 import { expect } from "chai"
 import { mintNFT } from "../utils/nftHelper"

test/hardhat/e2e/setup.ts

@@ -1,3 +1,5 @@
+// This file is a root hook used to setup preconditions before running the tests.
+
 import hre from "hardhat";
 import { network } from "hardhat";
 import { GroupingModule, IPAssetRegistry, LicenseRegistry, LicenseToken, LicensingModule, PILicenseTemplate, RoyaltyPolicyLAP, MockERC20, RoyaltyPolicyLRP, AccessController } from "./constants";

test/hardhat/e2e/utils/mintNFTAndRegisterIPA.ts

@@ -1,3 +1,5 @@
+// Purpose: Helper function to mint an NFT and register it as an IP Asset.
+
 import "../setup";
 import { mintNFT } from "./nftHelper";
 import { MockERC721, IPAssetRegistry } from "../constants";

test/hardhat/e2e/utils/nftHelper.ts

@@ -1,3 +1,5 @@
+// Purpose: Helper function to mint a new NFT and return the tokenId
+
 import hre from "hardhat"
 import { MockERC721 } from "../constants";
 import { ethers } from "ethers";