Wait for apache to start

Author: andrewnicols

.travis.yml

@@ -4,6 +4,7 @@ install:
     - docker build -t moodle-php-apache .
 script:
     - "docker run --name test0 -d -p 8000:80 -v $PWD/tests/fixtures:/var/www/html moodle-php-apache"
+    - sleep 5
     - docker exec test0 php /var/www/html/test.php
     - curl --fail http://127.0.0.1:8000/test.php
 after_failure: