Move loading .env files to bootstrap.php

symfony/phpunit-bridge/4.1/phpunit.xml.dist

@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- https://phpunit.de/manual/current/en/appendixes.configuration.html -->
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.5/phpunit.xsd"
-         backupGlobals="false"
-         colors="true"
-         bootstrap="vendor/autoload.php"
->
-    <php>
-        <ini name="error_reporting" value="-1" />
-    </php>
-
-    <testsuites>
-        <testsuite name="Project Test Suite">
-            <directory>tests</directory>
-        </testsuite>
-    </testsuites>
-
-    <filter>
-        <whitelist>
-            <directory>src</directory>
-        </whitelist>
-    </filter>
-
-    <listeners>
-        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener" />
-    </listeners>
-</phpunit>

symfony/phpunit-bridge/4.1/phpunit.xml.dist

@@ -0,0 +1 @@
+../3.3/phpunit.xml.dist