Test flaky tests

[dibarbet]

No description provided.

[dibarbet]

diagnostics are being requested for the additional file

 [Start]initialize
 [Start]Initialize
 [End]Initialize
 [End]initialize
 [Start]workspace/_vs_diagnostic
 [Info]Microsoft.CodeAnalysis.LanguageServer.Handler.Diagnostics.WorkspacePullDiagnosticHandler started getting diagnostics
 [Info]previousResults.Length=0
 [Info]Processing 3 documents
 [Info]Found 0 diagnostics for file:///C:/C.cs in CSProj1
 [Info]Found 0 diagnostics for file:///C:/Test.txt in CSProj1
 [Info]Found 0 diagnostics for file:///C:/CSProj1.csproj in CSProj1
 [Info]Microsoft.CodeAnalysis.LanguageServer.Handler.Diagnostics.WorkspacePullDiagnosticHandler finished getting diagnostics
 [End]workspace/_vs_diagnostic
 [Info]Disposing of test lsp server
 [Info]Exiting server