TL;DR

This pull request introduces a new set of tests for the MetaMask wallet, specifically focusing on the PPOM security mechanism. It also adds a new test for the custom transaction form.

What changed

Two files were modified in this pull request:

1. wallets/metamask/test/e2e/metamask/PPOM.spec.ts: This is a new file that contains tests for the PPOM security mechanism. It checks if the mechanism can prevent malicious ETH transfers, ERC20 transfers, ERC20 approvals, approvals for all, permits, trade orders, and seaports.

2. wallets/metamask/test/e2e/metamask/confirmTransaction.spec.ts: This file was updated to include a new test for the custom transaction form. It checks if the form can send a defined amount.

How to test

To test these changes, follow these steps:

1. Pull the changes from this branch into your local environment.
2. Navigate to the wallets/metamask/test/e2e/metamask directory.
3. Run the PPOM.spec.ts and confirmTransaction.spec.ts test files using your preferred test runner.
4. Ensure all tests pass and there are no unexpected errors.

Why make this change

These changes were made to improve the test coverage for the MetaMask wallet. By testing the PPOM security mechanism and the custom transaction form, we can ensure that these features are working as expected and prevent potential issues in the future.