changed chromedriver version to env var

Author: mwwsp

.travis.yml

@@ -19,13 +19,11 @@ jobs:
       addons:
         firefox: latest-nightly
         chrome: stable
-      env: TOXENV=py36 MOZ_HEADLESS=1 GECKODRIVER=0.22.0
+      env: TOXENV=py36 MOZ_HEADLESS=1 GECKODRIVER=0.22.0 CHROMEDRIVER=2.40
       before_install:
-        - CHROMEDRIVER_LATEST=`wget https://chromedriver.storage.googleapis.com/LATEST_RELEASE`
-        - wget http://chromedriver.storage.googleapis.com/$CHROMEDRIVER_LATEST/chromedriver_linux64.zip
-        - mkdir $HOME/chromedriver && unzip chromedriver_linux64.zip -d $HOME/chromedriver
+        - wget -O /tmp/chromedriver.zip http://chromedriver.storage.googleapis.com/$CHROMEDRIVER/chromedriver_linux64.zip
+        - mkdir $HOME/chromedriver && unzip /tmp/chromedriver.zip -d $HOME/chromedriver
         - export PATH=$HOME/chromedriver:$PATH
-        - wget -O /tmp/chromedriver.tar.gz
         - wget -O /tmp/geckodriver.tar.gz https://github.com/mozilla/geckodriver/releases/download/v$GECKODRIVER/geckodriver-v$GECKODRIVER-linux64.tar.gz
         - mkdir $HOME/geckodriver && tar xvf /tmp/geckodriver.tar.gz -C $HOME/geckodriver
         - export PATH=$HOME/geckodriver:$PATH
@@ -43,9 +41,11 @@ jobs:
       addons:
         firefox: latest-nightly
         chrome: stable
-      env: TOXENV=py27 MOZ_HEADLESS=1 GECKODRIVER=0.22.0
+      env: TOXENV=py36 MOZ_HEADLESS=1 GECKODRIVER=0.22.0 CHROMEDRIVER=2.40
       before_install:
-        - export CHROMEDRIVER_PATH=/tmp/google-chrome-stable/chromedriver
+        - wget -O /tmp/chromedriver.zip http://chromedriver.storage.googleapis.com/$CHROMEDRIVER/chromedriver_linux64.zip
+        - mkdir $HOME/chromedriver && unzip /tmp/chromedriver.zip -d $HOME/chromedriver
+        - export PATH=$HOME/chromedriver:$PATH
         - wget -O /tmp/geckodriver.tar.gz https://github.com/mozilla/geckodriver/releases/download/v$GECKODRIVER/geckodriver-v$GECKODRIVER-linux64.tar.gz
         - mkdir $HOME/geckodriver && tar xvf /tmp/geckodriver.tar.gz -C $HOME/geckodriver
         - export PATH=$HOME/geckodriver:$PATH