public async Task QueryAndPrint_Constant <T>(string query, T expected)
{
await EngineTest.QueryAndAssert(Array.Empty <string>(), query, expected);
}
public async Task QueryAndPrint_Arguments <T>(string arguments, string query, T expected)
{
await EngineTest.QueryAndAssert(arguments.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries), query,
expected);
}