feat(core-testing): R49 guard — block real Sentry SDK init in test processes

packages/core-testing/package.json

@@ -21,7 +21,6 @@
     "test": "vitest run"
   },
   "dependencies": {
-    "@repo/core-shared": "workspace:*",
     "@testing-library/jest-dom": "^6.5.0",
     "@testing-library/react": "^16.0.0",
     "@testing-library/user-event": "^14.5.0",
@@ -43,6 +42,7 @@
   "devDependencies": {
     "@repo/core-eslint": "workspace:*",
     "@repo/core-typescript": "workspace:*",
+    "@sentry/nextjs": "^10.51.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "jsdom": "^25.0.0",