try github actions

.github/workflows/test.yml

@@ -0,0 +1,47 @@
+name: unused-scanner
+on:
+  push:
+    branches: [ master, dev ]
+  pull_request:
+    branches: [ master ]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+
+jobs:
+  test:
+    if: "!contains(github.event.head_commit.message, 'skip ci') && !contains(github.event.head_commit.message, 'ci skip')"
+    name: unused-scanner (PHP ${{ matrix.php-versions }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        php-versions: ['7.2', '7.3', '7.4', '8.0']
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP, with composer and extensions
+      uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
+      with:
+        php-version: ${{ matrix.php-versions }}
+        tools: composer:v2
+
+    - name: Get composer cache directory
+      id: composercache
+      run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+          path: ${{ steps.composercache.outputs.dir }}
+          key: ${{ runner.os }}-php-${{ matrix.php-versions }}-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            ${{ runner.os }}-php-${{ matrix.php-versions }}
+
+    - name: Install deps
+      run: composer install --prefer-dist --no-progress --no-suggest --optimize-autoloader
+
+    - name: Unit tests
+      run: php vendor/bin/phpunit