crud tests for subjects, assignments and tasks

package.json

@@ -8,7 +8,8 @@
     "android": "expo start --android",
     "ios": "expo start --ios",
     "web": "expo start --web",
-    "lint": "expo lint"
+    "lint": "expo lint",
+    "test": "jest"
   },
   "dependencies": {
     "@expo/vector-icons": "^15.0.3",
@@ -45,12 +46,20 @@
     "react-native-worklets": "0.5.1"
   },
   "devDependencies": {
+    "@testing-library/react-native": "^13.3.3",
+    "@types/jest": "^30.0.0",
     "@types/react": "~19.1.0",
     "eslint": "^9.25.0",
     "eslint-config-expo": "~10.0.0",
+    "jest": "^29.7.0",
+    "jest-expo": "^55.0.16",
     "patch-package": "^8.0.1",
+    "react-test-renderer": "19.1.0",
     "tailwindcss": "^3.4.19",
     "typescript": "~5.9.2"
   },
-  "private": true
-}
+  "private": true,
+  "jest": {
+    "preset": "jest-expo"
+  }
+}