make the test_configured_subscriptions_yang_push test fail

This purpose of this commit is to make configured yang push fail.

do not commit

src/yang_push.c

@@ -887,9 +887,7 @@ yang_push_notif_update_send(struct nc_session *ncs, sr_session_ctx_t *sr_sess, s
     /* get the data from sysrepo */
     rc = sr_get_data(sr_sess, yp_data->xpath ? yp_data->xpath : "/*", 0, np2srv.sr_timeout, 0, &data);
     if (rc != SR_ERR_OK) {
-        if (ncs) {
-            goto cleanup;
-        }
+        goto cleanup;
     }
 
     /* context lock is already held by data */