test(language-server): update expecto flags to get test progress outp…

…ut (-debug) and avoid locking/hanging issues that occur when the debugger is attached by sequencing tests and turning off the spinner. (See haf/expecto#405 - not a proven cause, but might be related.)

.vscode/launch.json

@@ -28,7 +28,7 @@
             "request": "launch",
             "preLaunchTask": "build: Language Server Tests",
             "program": "${workspaceFolder}/${config:languageServerTestsPath}/bin/Debug/net6.0/Contextive.LanguageServer.Tests.dll",
-            //"args": ["--filter-test-case","Can handle configuration value changing"],
+            "args": ["--no-spinner", "--sequenced", "--debug"],
             "cwd": "${workspaceFolder}/${config:languageServerTestsPath}",
             "stopAtEntry": false,
             "console": "integratedTerminal"