``` const IncentiveV1 = artifacts.require("IncentiveV1"); contract("IncentiveV1", () => { let contract; beforeEach(async () => { contract = await IncentiveV1.new(); }); it("should create a seller account correctly", async () => { const profileImage = "https://example.com/image.jpg"; const seller = "0x1234567890123456789012345678901234567890"; await contract.createSellerAccount(profileImage, { from: seller }); const sellerAccount = await contract.sellers(seller); assert.equal(sellerAccount.profileImage, profileImage, "Profile image was not set correctly"); assert.equal(sellerAccount.seller, seller, "Seller address was not set correctly"); }); it("should create a buyer account correctly", async () => { const profileImage = "https://example.com/image.jpg"; const buyer = "0x1234567890123456789012345678901234567890"; await contract.createBuyerAccount(profileImage, { from: buyer }); const buyerAccount = await contract.buyers(buyer); assert.equal(buyerAccount.profileImage, profileImage, "Profile image was not set correctly"); assert.equal(buyerAccount.buyer, buyer, "Buyer address was not set correctly"); }); it("should create a special incentive correctly", async () => { const incentiveURI = "https://example.com/incentive.jpg"; const price = 100; const discount = 20; const creator = "0x1234567890123456789012345678901234567890"; await contract.createSpecialIncentive(incentiveURI, price, discount, { from: creator }); const specialIncentive = await contract.specialIncentives(1); assert.equal(specialIncentive.incentiveURI, incentiveURI, "Incentive URI was not set correctly"); assert.equal(specialIncentive.price, price, "Price was not set correctly"); assert.equal(specialIncentive.discount, discount, "Discount was not set correctly"); assert.equal(specialIncentive.creator, creator, "Creator address was not set correctly"); }); it("should create an incentive correctly", async () => { const incentiveURI = "https://example.com/incentive.jpg"; const price = 100; const creator = "0x1234567890123456789012345678901234567890"; await contract.createIncentive(incentiveURI, price, { from: creator }); const incentive = await contract.incentives(1); assert.equal(incentive.incentiveURI, incentiveURI, "Incentive URI was not set correctly"); assert.equal(incentive.price, price, "Price was not set correctly"); assert.equal(incentive.creator, creator, "Creator address was not set correctly"); }); ```