Check that virtual wallet behavior scoped to an iframe does not leak to other frames in the same target
iframe1 result: {"response":{"protocol":"openid4vp-v1-unsigned","data":{"token":"scoped-iframe-token"}},"error":null}
iframe2 result: {"response":{"protocol":"openid4vp-v1-unsigned","data":{"token":"fake_test_token"}},"error":null}
main frame result: {"response":{"protocol":"openid4vp-v1-unsigned","data":{"token":"fake_test_token"}},"error":null}