test: add basic unit tests for all navigators

jest/setup.js

@@ -1,3 +1,21 @@
+/* eslint-env jest */
+/* eslint-disable import/no-extraneous-dependencies */
+
+import 'react-native-gesture-handler/jestSetup';
+
+jest.mock('react-native-reanimated', () => {
+  const Reanimated = require('react-native-reanimated/mock');
+
+  // The mock for `call` immediately calls the callback which is incorrect
+  // So we override it with a no-op
+  Reanimated.default.call = () => {};
+
+  return Reanimated;
+});
+
+// Silence the warning: Animated: `useNativeDriver` is not supported because the native animated module is missing
+jest.mock('react-native/Libraries/Animated/src/NativeAnimatedHelper');
+
 const error = console.error;
 
 console.error = (...args) =>