Should be unused value. There isn't any element which satisfies given assertion <fun:tests@266-180>. at [email protected](Document _arg53) in /Users/runner/work/FsAutoComplete/FsAutoComplete/test/FsAutoComplete.Tests.Lsp/Utils/Server.Tests.fs:line 266 at Microsoft.FSharp.Control.AsyncPrimitives.CallThenInvoke[T,TResult](AsyncActivation`1 ctxt, TResult result1, FSharpFunc`2 part2) in D:\a\_work\1\s\src\FSharp.Core\async.fs:line 510 at Microsoft.FSharp.Control.Trampoline.Execute(FSharpFunc`2 firstAction) in D:\a\_work\1\s\src\FSharp.Core\async.fs:line 148