defer closeDB(t, db)
	err = db.PingContext(ctx)
	if err != nil {
		t.Fatal(err)
	}
}

// Issue 34775: Ensure that a Tx cannot commit after a rollback.
func TestTxCannotCommitAfterRollback(t *testing.T) {
	db := newTestDB(t, "tx_status")
	defer closeDB(t, db)

	// First check query reporting is correct.
	var txStatus string