test: disable parallelism to prevent database locks

Author: zebrapurring

frontend/package.json

@@ -9,7 +9,7 @@
     "lint:fix": "eslint --ext \".ts,.js,.vue\" --ignore-path ../.gitignore --ignore-pattern \"components/ui\" . --fix",
     "lint:ci": "eslint --ext \".ts,.js,.vue\" --ignore-path ../.gitignore --ignore-pattern \"components/ui\" . --max-warnings 1",
     "typecheck": "pnpm vue-tsc --noEmit",
-    "test:ci": "TEST_SHUTDOWN_API_SERVER=true vitest --run --config ./test/vitest.config.ts",
+    "test:ci": "TEST_SHUTDOWN_API_SERVER=true vitest --run --config ./test/vitest.config.ts --no-file-parallelism",
     "test:local": "TEST_SHUTDOWN_API_SERVER=false && vitest --run --config ./test/vitest.config.ts",
     "test:watch": " TEST_SHUTDOWN_API_SERVER=false vitest --config ./test/vitest.config.ts"
   },