finished fixing group chat tests

groupChat/makeGroup.go

@@ -118,7 +118,7 @@ func (m Manager) buildMembership(members []*id.ID) (group.Membership,
 	contacts := make([]contact.Contact, len(members))
 	var err error
 	for i, uid := range members {
-		partner, err := m.e2e.GetPartner(uid, m.receptionId)
+		partner, err := m.e2e.GetPartner(uid)
 		if err != nil {
 			return nil, nil, errors.Errorf(getPartnerErr, uid, err)
 		}

groupChat/makeGroup_test.go

@@ -312,7 +312,7 @@ func addPartners(m *Manager, t *testing.T) ([]*id.ID, group.Membership,
 			m.grp)
 
 		// Add partner
-		_, err := m.e2e.AddPartner(m.receptionId, uid, dhKey, dhKey,
+		_, err := m.e2e.AddPartner(uid, dhKey, dhKey,
 			theirSIDHPubKey, mySIDHPrivKey,
 			session.GetDefaultParams(),
 			session.GetDefaultParams())

groupChat/utils_test.go

@@ -243,11 +243,11 @@ type testE2eMessage struct {
 }
 
 func (tnm *testE2eManager) AddPartner(partnerID *id.ID, partnerPubKey, myPrivKey *cyclic.Int, partnerSIDHPubKey *sidh.PublicKey, mySIDHPrivKey *sidh.PrivateKey, sendParams, receiveParams session.Params) (partner.Manager, error) {
-	panic("implement me")
+	return nil, nil
 }
 
 func (tnm *testE2eManager) GetPartner(partnerID *id.ID) (partner.Manager, error) {
-	panic("implement me")
+	return nil, nil
 }
 
 func (tnm *testE2eManager) DeletePartner(partnerId *id.ID) error {