do not run tests on TravisCI which are also run as GitHub Actions

.travis.yml

@@ -1,24 +1,15 @@
 ---
-language: php
+# TravisCI is only used for BrowserStack tests.
+# All other tests are run as GitHub Actions.
 
-matrix:
-  include:
-    - env: TEST="API"
-      php: 7.3
-    - env: TEST="API"
-      php: 7.2
-    - env: TEST="API"
-      php: 7.1
-    - env: TEST="EMBER"
-    - env: TEST="BROWSER"
-    - env: TEST="BUNDLESIZE"
+language: node_js
+node_js:
+  - "10"
 
-dist: trusty
-sudo: false
+dist: xenial
 
 addons:
   chrome: stable
-  firefox: latest-esr
 
 cache:
   yarn: true
@@ -27,44 +18,25 @@ env:
   global:
     - "BROWSERSTACK_USERNAME=jeldrikhanschke1"
     - "BROWSERSTACK_ACCESS_KEY=xaM9Uxurv2GyxFLKQXgj"
+    # See https://git.io/vdao3 for details.
+    - JOBS=1
 
-before_install:
-  # use a recent node version if ember build is tested
-  - if [ $TEST = "EMBER" ] || [ $TEST = "BROWSER" ] || [ $TEST = "BUNDLESIZE" ]; then nvm install --lts; fi
-  # provide yarn if ember build is tested
-  - if [ $TEST = "EMBER" ] || [ $TEST = "BROWSER" ] || [ $TEST = "BUNDLESIZE" ]; then curl -o- -L https://yarnpkg.com/install.sh | bash; fi
-  - if [ $TEST = "EMBER" ] || [ $TEST = "BROWSER" ] || [ $TEST = "BUNDLESIZE" ]; then export PATH=$HOME/.yarn/bin:$PATH; fi
+branches:
+  only:
+    - master
 
-install:
-  # install dependencies for client
-  - if [ $TEST = "EMBER" ] || [ $TEST = "BROWSER" ] || [ $TEST = "BUNDLESIZE" ]; then yarn install --no-interactive; fi
-  # install dependencies for api
-  - if [ $TEST = "API" ]; then cd api/ && composer install && cd ..; fi
+before_install:
+  - curl -o- -L https://yarnpkg.com/install.sh | bash
+  - export PATH=$HOME/.yarn/bin:$PATH
 
 before_script:
-  # http://php.net/manual/de/ini.core.php#ini.always-populate-raw-post-data
-  - if [ $TEST = "API" ]; then echo 'always_populate_raw_post_data = -1' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
   # create a browser stack tunnel for cross-browser testing
-  - if [ $TEST = "BROWSER" ]; then node_modules/ember-cli/bin/ember browserstack:connect; fi
-
-branches:
-  only:
-    - master
+  - node_modules/ember-cli/bin/ember browserstack:connect
 
 script:
-  # run frontend and integration tests
-  - if [ $TEST = "EMBER" ]; then yarn run lint:hbs; fi
-  - if [ $TEST = "EMBER" ]; then yarn run lint:js; fi
-  - if [ $TEST = "EMBER" ]; then yarn test; fi
-  # test that CSP headers in public/.htaccess are matching the ones configured in config/environment.js
-  - if [ $TEST = "EMBER" ]; then grep "`node_modules/ember-cli/bin/ember csp-headers --environment production --silent 2>&1 | sed 's/ $//'`" public/.htaccess || (echo "CSP headers in public/.htaccess does not match configuration" && exit 1); fi
-  # test against different browsers using sauce lab
-  - if [ $TEST = "BROWSER" ]; then yarn test --config-file testem.browserstack.js; fi
-  # test bundle size
-  - if [ $TEST = "BUNDLESIZE" ]; then yarn test:bundlesize; fi
-  # run api tests with composer
-  - if [ $TEST = "API" ]; then cd api/ && ./vendor/bin/codecept run && cd ..; fi
+  # run tests on BrowserStack
+  - yarn test --config-file testem.browserstack.js
 
 after_script:
   # destroy the sauce tunnel
-  - if [ $TEST = "BROWSER" ]; then node_modules/ember-cli/bin/ember browserstack:disconnect; fi
+  - inode_modules/ember-cli/bin/ember browserstack:disconnect