Added debug ls to understand why I get the following error in travis

{:"export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools"=>nil}
/home/travis/build.sh: line 153: {:export PATH=/usr/local/phantomjs/bin:./node_modules/.bin:/home/travis/.gvm/pkgsets/go1.1.1/global/bin:/home/travis/.gvm/gos/go1.1.1/bin:/home/travis/.gvm/pkgsets/go1.1.1/global/overlay/bin:/home/travis/.gvm/bin:/home/travis/.gvm/bin:/usr/local/gradle/bin:/home/travis/.cabal/bin:/home/travis/.rvm/gems/ruby-1.9.3-p448/bin:/home/travis/.rvm/gems/ruby-1.9.3-p448@global/bin:/home/travis/.rvm/rubies/ruby-1.9.3-p448/bin:/home/travis/.rvm/bin:/usr/local/phantomjs/bin:/home/travis/.nvm/v0.10.12/bin:./node_modules/.bin:/home/travis/.gvm/pkgsets/go1.1.1/global/bin:/home/travis/.gvm/gos/go1.1.1/bin:/home/travis/.gvm/pkgsets/go1.1.1/global/overlay/bin:/home/travis/.gvm/bin:/home/travis/.gvm/bin:/usr/local/gradle/bin:/home/travis/.cabal/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/travis/build/julianharty/android-webdriver-vm-demo/android-sdk-linux/tools:/home/travis/build/julianharty/android-webdriver-vm-demo/android-sdk-linux/platform-tools=: No such file or directory
The command "{:"export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools"= > nil}" failed and exited with 127 during before_install.