Replace TravisCI with Github Action Workflow

.github/worklows/test.yml

@@ -0,0 +1,54 @@
+name: Test
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches: '*'
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    services:
+      redis:
+        image: redis
+        ports:
+          - 6379:6379
+      mongo:
+        image: mongo
+        ports:
+          - 27017:27017
+    strategy:
+      matrix:
+        ruby:
+          - 2.3
+          - 2.4
+          - jruby-9.1.13.0
+        db:
+          - mongodb
+          - redis
+          - active_record
+        gemfile:
+          - gemfiles/rails42.gemfile
+          - gemfiles/rails42_protected_attributes.gemfile
+          - gemfiles/rails51.gemfile
+          - gemfiles/rails52.gemfile
+        exclude:
+          - rvm: jruby-9.1.13.0
+            gemfile: gemfiles/rails5.gemfile
+    env:
+      DB: ${{ matrix.db }}
+      BUNDLE_GEMFILE: ${{ github.workspace }}/${{ matrix.gemfile }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run Tests
+        run: bundle exec rake test

Gemfile.lock

@@ -33,12 +33,13 @@ GEM
     coffee-script-source (1.9.1)
     colorator (0.1)
     concurrent-ruby (1.0.5)
+    concurrent-ruby (1.0.5-java)
     crack (0.3.1)
     execjs (2.5.2)
     fakefs (0.6.7)
     fast-stemmer (1.0.2)
-    ffi (1.9.8)
-    ffi (1.9.8-java)
+    ffi (1.15.5)
+    ffi (1.15.5-java)
     garb (0.9.1)
       activesupport (>= 2.2.0)
       crack (>= 0.1.6)