* (tests): make jest typews available in vue-urql

* (vue-urql) - Add Test for useMutation

* (vue-urql) - Add Test for useQuery

* (vue-urql) - skip one failing/unclear test for useQuery

* (vue-urql) - Add Tests for useSubscription

* remove unnessessary import
from useSubscription.test
Co-authored-by: Thorsten Luenborg <t.luneborg@googlemail.com>