test: add btc account tests

Author: hmalik88

ui/pages/multichain-accounts/account-details/account-type-utils.test.ts

@@ -1,5 +1,6 @@
 import { InternalAccount } from '@metamask/keyring-internal-api';
 import {
+  MOCK_ACCOUNT_BIP122_P2WPKH,
   MOCK_ACCOUNT_EOA,
   MOCK_ACCOUNT_ERC4337,
   MOCK_ACCOUNT_HARDWARE,
@@ -14,6 +15,7 @@ import {
   isHardwareAccount,
   isPrivateKeyAccount,
   isInstitutionalEVMAccount,
+  isBitcoinAccount,
 } from './account-type-utils';
 
 describe('Account Type Utils', () => {
@@ -111,4 +113,18 @@ describe('Account Type Utils', () => {
       expect(isInstitutionalEVMAccount(MOCK_ACCOUNT_ERC4337)).toBe(false);
     });
   });
+
+  describe('isBitcoinAccount', () => {
+    it('should return true for Bitcoin accounts', () => {
+      expect(isBitcoinAccount(MOCK_ACCOUNT_BIP122_P2WPKH)).toBe(true);
+    });
+
+    it('should return false for EOA accounts', () => {
+      expect(isBitcoinAccount(MOCK_ACCOUNT_EOA)).toBe(false);
+    });
+
+    it('should return false for Solana accounts', () => {
+      expect(isBitcoinAccount(MOCK_ACCOUNT_SOLANA_MAINNET)).toBe(false);
+    });
+  });
 });

ui/pages/multichain-accounts/account-details/account-type-utils.ts

@@ -118,3 +118,12 @@ export const isInstitutionalEVMAccount = (
 ): boolean => {
   return getAccountTypeCategory(account) === 'institutional-evm';
 };
+
+/**
+ * Checks if an account is a Bitcoin account
+ *
+ * @param account - The internal account object to check.
+ */
+export const isBitcoinAccount = (account: InternalAccount): boolean => {
+  return getAccountTypeCategory(account) === 'bitcoin';
+};