message: Order is not guaranteed without ORDER BY clause (relies on hash in HT)
diff: @@ -53,7 +53,7 @@ TEST_CASE("Test UNION/EXCEPT/INTERSECT", "[union]") {
  REQUIRE(CHECK_COLUMN(result, 0, {1}));
  result = con.Query("SELECT 1, 'a' UNION SELECT 2, 'b' UNION SELECT 3, 'c' "
  - "UNION SELECT 1, 'a'");
  + "UNION SELECT 1, 'a' ORDER BY 1");
  REQUIRE(CHECK_COLUMN(result, 0, {1, 2, 3}));
  REQUIRE(CHECK_COLUMN(result, 1, {"a", "b", "c"}));
  