VSCode merge (#4610)

* Merge from vscode e388c734f30757875976c7e326d6cfeee77710de

* fix yarn lcoks

* remove small issue

.vscode/launch.json

@@ -211,6 +211,13 @@
 				"Launch azuredatastudio",
 				"Attach to Extension Host"
 			]
-		}
+		},
+		{
+			"name": "Debug Unit Tests",
+			"configurations": [
+				"Attach to VS Code",
+				"Run Unit Tests"
+			]
+		},
 	]
 }