.github/workflows/test.yml in search_flip-3.2.1 vs .github/workflows/test.yml in search_flip-3.3.0

@@ -26,9 +26,10 @@
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
+    - run: gem install bundler
     - run: bundle
     - run: sleep 10
     - run: bundle exec rspec
     - run: bundle exec rubocop