namespace NpgsqlRestTests; public static partial class Database { public static void VoidUnitTests() { script.Append(@" create function case_void() returns void language plpgsql as $$ begin raise info 'case_void'; end; $$; "); } } [Collection("TestFixture")] public class VoidUnitTests(TestFixture test) { [Fact] public async Task Test_case_void() { using var result = await test.Client.PostAsync("/api/case-void/", null); result.StatusCode.Should().Be(HttpStatusCode.NoContent); } }