feat(frontend): Add formSnapshotComparison test, add test setup

legalconsenthub/package.json

@@ -13,6 +13,8 @@
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
     "test": "vitest run",
+    "test:unit": "vitest run --project unit",
+    "test:integration": "vitest run --project integration",
     "check": "pnpm run lint && pnpm run type-check && pnpm run format && pnpm run test",
     "api:generate": "openapi-generator-cli generate -i ../api/legalconsenthub.yml -g typescript-fetch -o .api-client"
   },
@@ -41,6 +43,7 @@
     "happy-dom": "^20.0.11",
     "prettier": "3.5.1",
     "typescript": "5.7.3",
+    "@pinia/testing": "^0.1.7",
     "vitest": "^4.0.16",
     "vue-tsc": "2.2.2"
   },