There should be a Diagnostic with code 3218. There isn't any element which satisfies given assertion <fun:expectCode@11>. at FsAutoComplete.Tests.CodeFixTests.RenameParamToMatchSignatureTests.checkWithFsi@46-6.Invoke(Diagnostic[] diags) at [email protected](Unit unitVar) in D:\a\FsAutoComplete\FsAutoComplete\test\FsAutoComplete.Tests.Lsp\Utils\CursorbasedTests.fs:line 43 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