chore: test case added for Image (#46831)

Summary:
Part of this: https://github.com/facebook/react-native/issues/46757
Solves:

ME2E0019
## Changelog:
[ Internal ] [ Added ] - Added a test case for Image
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[ANDROID|GENERAL|IOS|INTERNAL] [BREAKING|ADDED|CHANGED|DEPRECATED|REMOVED|FIXED|SECURITY] - Message

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Pull Request resolved: https://github.com/facebook/react-native/pull/46831

Test Plan:
yarn e2e-test-ios
yarn e2e-test-android

Reviewed By: cortinico

Differential Revision: D63889719

Pulled By: cipolleschi

fbshipit-source-id: 674879066ec159f11894f24935fe39a86ea1ea63

packages/rn-tester/.maestro/image.yml

@@ -0,0 +1,12 @@
+appId: ${APP_ID} # iOS: com.meta.RNTester.localDevelopment | Android: com.facebook.react.uiapp
+---
+- launchApp
+- assertVisible: "Components"
+- scrollUntilVisible:
+    element:
+      id: "Image"
+    direction: DOWN
+    speed: 40
+- tapOn:
+    id: "Image"
+- assertVisible: "Plain Network Image with `source` prop."