Adjusted tests for the new responseType parameter (part 2)

ref #132

src/tests/contacts/contact_update.spec.ts

@@ -210,6 +210,7 @@ describe('Update contact group invalid after adding (should fail)', () => {
         expect(res.status).toEqual(200);
         expect(res.headers['content-type']).toContain("application/json");
         added_contact = res.data
+        delete res.data.groups[0].teams;
         expect(res.data).toEqual({
             "id": res.data.id,
             "firstname": "first",