message: Add travis_wait 30 for unzipping UE
diff: @@ -26,7 +26,7 @@ jobs:
  - pip3 install --upgrade pip
  - pip3 install awscli
  - pip3 install httpie
  - - "./travis/travis-get-ue.sh"
  + - travis_wait 30 "./travis/travis-get-ue.sh"
  before_script:
  - export CESIUM_UNREAL_VERSION=$(git describe)
  - export BUILD_CESIUM_UNREAL_PACKAGE_NAME=CesiumForUnreal-${TRAVIS_OS_NAME}-${CESIUM_UNREAL_VERSION}
  