Added missing unit test checks

system-tests/test/deposit-redemption.test.ts

@@ -65,7 +65,7 @@ describe("System Test - Deposit and redemption", () => {
  // subsequent Electrum retry attempts.
  const ELECTRUM_RETRY_BACKOFF_STEP_MS = 10000 // 10sec
  // Multiplier to convert satoshi to TBTC token units.
- const SATOSHI_MULTIPLIER: BigNumber = BigNumber.from("10000000000")
+ const SATOSHI_MULTIPLIER = BigNumber.from(10000000000)
 
  let deposit: Deposit
  let depositUtxo: UnspentTransactionOutput
@@ -547,7 +547,7 @@ describe("System Test - Deposit and redemption", () => {
 
  const expectedTbtcBalance = balanceInSatoshis.mul(SATOSHI_MULTIPLIER)
 
- const actualBalance = tbtc.balanceOf(
+ const actualBalance = await tbtc.balanceOf(
  systemTestsContext.depositor.address
  )
 
@@ -593,6 +593,14 @@ describe("System Test - Deposit and redemption", () => {
  )
  })
 
+ it("should unmint depositor's TBTC tokens", async () => {
+ const tbtcBalance = await tbtc.balanceOf(
+ systemTestsContext.depositor.address
+ )
+
+ expect(tbtcBalance).to.be.equal(0)
+ })
+
  it("should transfer vault's bank balance to the Bridge", async () => {
  expect(await bank.balanceOf(vaultAddress)).to.be.equal(0)