update phpunit.xml.dist file

.travis.yml

@@ -3,10 +3,12 @@ sudo: false
 cache:
     directories:
         - $HOME/.composer/cache/files
+        - $HOME/symfony-bridge/.phpunit
 
 env:
     global:
         - PHPUNIT_FLAGS="-v"
+        - SYMFONY_PHPUNIT_DIR="$HOME/symfony-bridge/.phpunit"
 
 matrix:
     fast_finish: true

phpunit.xml.dist

@@ -1,30 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
+<!-- http://phpunit.de/manual/4.1/en/appendixes.configuration.html -->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.3/phpunit.xsd"
+         backupGlobals="false"
+         bootstrap="vendor/autoload.php"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
-         bootstrap="./vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
 >
+    <php>
+        <server name="SYMFONY_PHPUNIT_VERSION" value="7.5" />
+    </php>
+
     <testsuites>
         <testsuite name="Markdown Test Suite">
-            <directory>./Tests/</directory>
+            <directory>tests</directory>
         </testsuite>
     </testsuites>
 
     <filter>
-        <whitelist>
-            <directory>./</directory>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory>.</directory>
             <exclude>
-                <directory>./Resources</directory>
-                <directory>./Tests</directory>
-                <directory>./vendor</directory>
+                <directory>tests</directory>
+                <directory>vendor</directory>
             </exclude>
         </whitelist>
     </filter>
-</phpunit>
+</phpunit>