wait for completion of script

Author: TylerLeonhardt

src/PowerShellEditorServices/Server/PsesDebugServer.cs

@@ -54,7 +54,9 @@ public async Task StartAsync(IServiceProvider languageServerServiceProvider, boo
                 _powerShellContextService.IsDebugServerActive = true;
 
                 // Needed to make sure PSReadLine's static properties are initialized in the pipeline thread.
-                _powerShellContextService.ExecuteScriptStringAsync("[System.Runtime.CompilerServices.RuntimeHelpers]::RunClassConstructor([Microsoft.PowerShell.PSConsoleReadLine].TypeHandle)");
+                _powerShellContextService
+                    .ExecuteScriptStringAsync("[System.Runtime.CompilerServices.RuntimeHelpers]::RunClassConstructor([Microsoft.PowerShell.PSConsoleReadLine].TypeHandle)")
+                    .Wait();
 
                 options.Services = new ServiceCollection()
                     .AddPsesDebugServices(languageServerServiceProvider, this, useExistingSession);