.travis.yml in webview-0.1.0 vs .travis.yml in webview-0.1.1

@@ -1,7 +1,22 @@
 ---
 sudo: false
 language: ruby
-cache: bundler
+cache:
+  - bundler
+  - apt
 rvm:
   - 2.6.3
-before_install: gem install bundler -v 2.0.1
+before_install:
+  - gem install bundler -v 2.0.1
+
+  - sudo add-apt-repository ppa:webkit-team/ppa -y
+  - sudo apt-get update
+  - sudo apt-get install libwebkit2gtk-4.0-dev -y
+
+  - cd ext
+  - ruby extconf.rb
+  - make && make install
+  - cd ..
+
+script:
+  - bundle exec rspec