test: set FCM background handler in index.js per docs #641

	name: JUnit Tests

	on:
	workflow_dispatch:
	pull_request:
	paths:
	- '.github/workflows/*.yml'
	- 'android/**'
	push:
	branches:
	- main
	paths-ignore:
	- 'docs-react-native/**'
	- '*/.md'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	unit:
	name: JUnit Tests
	timeout-minutes: 20
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 50

	- name: Configure JDK
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'

	- name: Gradle Cache
	uses: actions/cache@v4
	with:
	path: ~/.gradle/caches
	key: ${{ runner.os }}-gradle-${{ hashFiles('android/build.gradle*') }}-v1

	- name: Resolve Gradle Dependencies
	uses: nick-fields/retry@v3
	with:
	timeout_minutes: 10
	retry_wait_seconds: 60
	max_attempts: 3
	command: yarn build:core:android

	- name: Run JUnit Tests
	run: yarn test:core:android

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