Increase test coverage.

partner_contact_in_several_companies/tests/test_partner_contact_in_several_companies.py

@@ -200,6 +200,19 @@ class PartnerContactInSeveralCompaniesCase(common.TransactionCase):
             'standalone',
         )
 
+        # Reset contact to attached, and ensure only it is unlinked (i.e.
+        # context is ignored).
+        self.partner.write(cr, uid, [new_contact_id],
+            {'contact_id': self.bob_contact_id})
+        ctx = {'search_show_all_positions': {'is_set': True,
+                                             'set_value': True
+                                             }}
+        self.partner.unlink(cr, uid, [new_contact_id], context=ctx)
+        partner_ids = self.partner.search(cr, uid,
+            [('id', 'in', [new_contact_id, self.bob_contact_id])])
+        self.assertIn(self.bob_contact_id, partner_ids)
+        self.assertNotIn(new_contact_id, partner_ids)
+
     def test_05_contact_fields_sync(self):
         """Check that contact's fields are correctly synced between
         parent contact or related contacts