use phantomjs from conda-forge

Author: ocefpaf

.travis.yml

@@ -33,7 +33,7 @@ before_install:
     - export PATH="$HOME/miniconda/bin:$PATH"
     - conda update --yes --all
     - conda config --add channels conda-forge --force
-    - conda create --yes -n TEST python=$TRAVIS_PYTHON_VERSION --file requirements.txt --file requirements-dev.txt
+    - conda create --yes -n TEST python=$TRAVIS_PYTHON_VERSION phantomjs --file requirements.txt --file requirements-dev.txt
     - source activate TEST
 
     - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then