ci.yml in karafka-testing-1.4.0

- old
+ new

@@ -4,9 +4,35 @@
   push:
   schedule:
     - cron:  '0 1 * * *'
 
 jobs:
+  specs:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - '2.7'
+          - '2.6'
+          - '2.5'
+        include:
+          - ruby: '2.7'
+            coverage: 'true'
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install package dependencies
+        run: "[ -e $APT_DEPS ] || sudo apt-get install -y --no-install-recommends $APT_DEPS"
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{matrix.ruby}}
+      - name: Install latest bundler
+        run: |
+          gem install bundler --no-document
+      - name: Bundle install
+        run: |
+          bundle install --jobs 4 --retry 3
   coditsu:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
     steps: