Adding simpletest and pointing the script to the current php install

.scripts/travis_setup.sh

@@ -46,6 +46,7 @@ drush en -y syslog
 drush en -y serialization
 drush en -y basic_auth
 drush en -y rest
+drush en -y simpletest
 
 drush dl rdfui --dev
 drush en -y rdfui

.travis.yml

@@ -30,7 +30,7 @@ script:
   - cd $HOME/drupal/modules/islandora
   - php vendor/bin/phpcs --standard=Drupal **/*.module **/*.php --ignore=tests,vendor . 
   - php vendor/bin/phpcpd --names *.module,*.inc,*.test,*.php --exclude=vendor .
-  - cd $HOME/drupal; php core/scripts/run-tests.sh islandora
+  - cd $HOME/drupal; php core/scripts/run-tests.sh --php `which php` islandora
 
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