Make sure we properly initiate DB tables

Author: schlessera

.circleci/config.yml

@@ -12,7 +12,6 @@ jobs:
           MYSQL_HOST: 127.0.0.1
     - image: circleci/mysql:5.7
       environment:
-          MYSQL_DB: wp_cli_test_scaffold
           MYSQL_USER: wp_cli_test
           MYSQL_PASSWORD: password1
           MYSQL_HOST: 127.0.0.1
@@ -27,6 +26,7 @@ jobs:
         echo -e "memory_limit = 1024M" | sudo tee /usr/local/etc/php/php.ini > /dev/null
     - run: |
         composer install
+        composer prepare-tests
     - run: |
         echo 'export PATH=$HOME/wp-cli/package-tests/vendor/bin:$PATH' >> $BASH_ENV
         source $BASH_ENV