You can create a todo list within your tests like this:

describe("my test suite", () => {
	test.todo("My test that I need to write");
});

Example of how that looks in output:

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/ddff4f94-98db-4a76-a52e-a6784ee03624/Untitled.png