Chore/testing library

package.json

@@ -14,7 +14,7 @@
     "android": "react-native run-android",
     "ios": "react-native run-ios --simulator=\"iPhone 8 Plus\"",
     "log": "react-native log-android",
-    "test": "jest test && npm run lint",
+    "test": "jest test && yarn lint",
     "test-watch": "jest --watch test",
     "lint": "eslint components lib test styles db",
     "devtool": "adb shell input keyevent 82",
@@ -63,6 +63,8 @@
     "@babel/eslint-parser": "^7.16.3",
     "@babel/preset-react": "^7.16.0",
     "@babel/runtime": "^7.12.5",
+    "@testing-library/jest-native": "^4.0.12",
+    "@testing-library/react-native": "^11.1.0",
     "basic-changelog": "gitlab:bloodyhealth/basic-changelog",
     "eslint": "7.14.0",
     "eslint-plugin-react": "^7.8.2",
@@ -73,6 +75,7 @@
     "prettier": "2.4.0",
     "pretty-quick": "^3.1.1",
     "react-native-version": "^3.1.0",
+    "react-test-renderer": "17.0.2",
     "readline": "^1.3.0"
   },
   "description": "A menstrual cycle tracking app that's open-source and leaves your data on your phone. Use it to track your menstrual cycle or for fertility awareness!",