minor #627 Remove forced configuration for tests environment (yceruto)

This PR was merged into the master branch.

Discussion
----------

Remove forced configuration for tests environment

We can configure the test database file in `phpunit.xml.dist` and keep it simple.

Commits
-------

b27b1c6 Remove forced configuration for tests environment

Author: javiereguiluz

config/packages/test/doctrine.yaml

@@ -18,6 +18,7 @@
                Environment variable not found: "APP_SECRET".
         -->
         <env name="APP_SECRET" value="5a79a1c866efef9ca1800f971d689f3e"/>
+        <env name="DATABASE_URL" value="sqlite:///var/data/blog_test.sqlite"/>
     </php>
 
     <testsuites>