AssertionError: expected [Function] to throw error including 'The provided URL is invalid.' but got 'Expected a string but received a unde…' Expected: "The provided URL is invalid." Received: "Expected a string but received a undefined" ❯ test/index.test.ts:37:11

TypeError: Expected a string but received a undefined ❯ assertString node_modules/validator/lib/util/assertString.js:13:11 ❯ Object.isURL node_modules/validator/lib/isURL.js:59:29 ❯ new Client index.ts:39:20 ❯ test/index.test.ts:86:22