完善插件功能

py-et/.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "python.testing.pytestArgs": [
+        "tests"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.pytestEnabled": true,
+    "python.testing.autoTestDiscoverOnSaveEnabled": true,
+}