Zee

Results 2 issues of Zee

The `return` is not needed as `assert(false, )` will terminate the code execution.

infra
testharness.js

Since `eslint` fixed https://github.com/eslint/eslint/issues/16412 in `v8.56.0` [here](https://github.com/eslint/eslint/releases/tag/v8.56.0) and we are on `eslint` `v8.57.0` so that we can take advantage of `no-restricted-properties` rule for `webcrypto`. This is my first pull request...

tools
needs-ci