message: build: Restore ember build/test on travis
diff: @@ -6,15 +6,19 @@ source ~/.nvm/nvm.sh
  if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -le 6 ]]; then
  nvm use 8
  yarn install --ignore-engines --ignore-scripts
  + # ember requires Node >= 10 to build
  yarn build --ignore="@sentry/ember"
  nvm use 6
  - yarn test --ignore="@sentry/browser" --ignore="@sentry/integrations" --ignore="@sentry/react" --ignore="@sentry/ember" --ignore="@sentry/tracing" # latest version of karma doesn't run on node 6
  + # browser can be tested only on Node >= v8 because Karma is not supporting anything older
  + yarn test --ignore="@sentry/browser" --ignore="@sentry/integrations" --ignore="@sentry/react" --ignore="@sentry/ember" --ignore="@sentry/tracing"
  elif [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -le 8 ]]; then
  yarn install --ignore-engines --ignore-scripts
  + # ember requires Node >= 10 to build
  yarn build --ignore="@sentry/ember"
  + # tracing, ember and react work only on Node >= v10
  yarn test --ignore="@sentry/tracing" --ignore="@sentry/react" --ignore="@sentry/ember"
  else
  yarn install
  - yarn build --ignore="@sentry/ember"
  - yarn test --ignore="@sentry/ember"
  + yarn build
  + yarn test
  fi
  