public void TestConcurrentDelete() { const int nDocs = 1000; var docs = CreateDocs(nDocs, "Create").ToList(); docs.Count.Should().Be(nDocs); var delete1 = new WaitAssert(); var ignore = delete1.RunAssertAsync(() => { foreach (var doc in docs) { Db.Delete(doc); } }); var delete2 = new WaitAssert(); ignore = delete2.RunAssertAsync(() => { foreach (var doc in docs) { Db.Delete(doc); } }); WaitAssert.WaitFor(TimeSpan.FromSeconds(60), delete1, delete2); Db.Count.Should().Be(0, "because all documents were deleted"); }