ci(workflow): add pip install -r requirements-dev.txt for pr-tests.yml

Author: ch-liuzhide

.github/workflows/pr-tests.yml

@@ -52,6 +52,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
+          pip install -r requirements-dev.txt
           pip install ruff
           pip install pytest pytest-cov
 

.vscode/settings.json

@@ -2,5 +2,10 @@
   "prettier.configPath": "./client/.prettierrc.js",
   "python.analysis.extraPaths": [
     "./server"
-  ]
+  ],
+  "python.testing.pytestArgs": [
+    "server"
+  ],
+  "python.testing.unittestEnabled": false,
+  "python.testing.pytestEnabled": true
 }