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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