Fixed formatting in Travis configuration file.

.travis.yml

@@ -4,29 +4,29 @@ addons:
   firefox: latest
   apt:
     sources:
-      - google-chrome
+    - google-chrome
     packages:
-      - google-chrome-stable
+    - google-chrome-stable
 language: node_js
 node_js:
-  - '8'
+- '8'
 cache:
   yarn: true
 branches:
   except:
-    - stable
+  - stable
 before_install:
-  - 'export DISPLAY=:99.0'
-  - sh -e /etc/init.d/xvfb start
-  - npm i -g yarn
+- export DISPLAY=:99.0
+- sh -e /etc/init.d/xvfb start
+- npm i -g yarn
 install:
-  - yarn add @ckeditor/ckeditor5-dev-tests
-  - ckeditor5-dev-tests-install-dependencies
+- yarn add @ckeditor/ckeditor5-dev-tests
+- ckeditor5-dev-tests-install-dependencies
 script:
-  - ckeditor5-dev-tests-travis
+- ckeditor5-dev-tests-travis
 after_success:
-  - ckeditor5-dev-tests-save-revision
+- ckeditor5-dev-tests-save-revision
 env:
   global:
-    - secure: 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
-    - secure: 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
+  - secure: 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
+  - secure: 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