Phpunit/dbunit not loaded anymore ? How to load it?

Build Environment
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2

I found that this is due to phpunit 6. I’ve use this answer to downgrade to phpunit 5, that fixed it.

Here is the fixed circle.yml (I added the dependencies section and ./phpunit in the test section, instead of phpunit).

machine:
  php:
    version: 7.0.4
  hosts:
    localhost: 127.0.0.1
    test.mywebsite.com: 127.0.0.1
  services:
    - mysql
dependencies:
  post:
    - wget https://phar.phpunit.de/phpunit-5.6.2.phar
    - chmod +x phpunit-5.6.2.phar
    - mv phpunit-5.6.2.phar phpunit
checkout:
  post:
    - cd vendor && git clone https://github.com/runkit7/runkit7.git && cd runkit7 && phpize && ./configure && make && make install && (echo "extension=runkit.so" && echo "runkit.internal_override=1") > /opt/circleci/php/7.0.4/etc/conf.d/runkit.ini
database:
  override:
    - mysql -u ubuntu -e "CREATE DATABASE hammel_test;SET @@global.sql_mode='';"
    - mysql -u ubuntu hammel_test < tests/fixtures/schema.sql
test:
  override:
    - ./chenv test
    - mkdir etc/cache
    - php init.php build
    - php init.php build
    - mkdir -p $CIRCLE_TEST_REPORTS/phpunit
    - ./phpunit --log-junit $CIRCLE_TEST_REPORTS/phpunit/junit.xml
    - ./phpunit --coverage-html $CIRCLE_ARTIFACTS