chore: restore tests by changing babel preset in tests

Author: mdjastrzebski

babel.config.js

@@ -14,8 +14,7 @@ module.exports = {
   ],
   env: {
     test: {
-      // https://github.com/react-native-community/upgrade-support/issues/152
-      plugins: ['@babel/plugin-transform-flow-strip-types'],
+      presets: ['@react-native/babel-preset'],
     },
   },
 };

src/__tests__/__snapshots__/render-debug.test.tsx.snap

@@ -396,7 +396,7 @@ exports[`debug: shallow 1`] = `
     value=""
   />
   <MyButton
-    onPress={[Function changeFresh]}
+    onPress={[Function anonymous]}
   >
     Change freshness!
   </MyButton>
@@ -447,7 +447,7 @@ exports[`debug: shallow with message 1`] = `
     value=""
   />
   <MyButton
-    onPress={[Function changeFresh]}
+    onPress={[Function anonymous]}
   >
     Change freshness!
   </MyButton>