Temporarily disable visual regression tests

.travis.yml

@@ -21,16 +21,16 @@ matrix:
 
 cache:
   pip: true
-  directories:
-    - node_modules
+  # directories:
+  #   - node_modules
 
 addons:
   chrome: stable
 
 env:
   global:
-    - BLINKDIFF_BIN=$TRAVIS_BUILD_DIR/node_modules/.bin/blink-diff
     - PATH=$HOME/bin:$PATH
+    # - BLINKDIFF_BIN=$TRAVIS_BUILD_DIR/node_modules/.bin/blink-diff
 
 before_script:
   - if [ "$DATABASE_URL" == "postgres://postgres@127.0.0.1/nested_admin_test" ]; then psql -c "DROP DATABASE IF EXISTS nested_admin_test;" -U postgres; fi
@@ -41,10 +41,10 @@ before_script:
   - rm ~/chromedriver_linux64.zip
   - chmod +x ~/bin/chromedriver
 
-before_install:
-  - nvm install node
-  - nvm use node
-  - npm install blink-diff
+# before_install:
+#   - nvm install node
+#   - nvm use node
+#   - npm install blink-diff
 
 install:
   - pip install tox