migrate phpunit config

Author: svnldwg

test/Integration/phpunit.xml

@@ -1,6 +1,7 @@
+<?xml version="1.0"?>
 <phpunit
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:noNamespaceSchemaLocation="../../vendor/phpunit/phpunit/phpunit.xsd"
+        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
         beStrictAboutChangesToGlobalState="true"
         beStrictAboutCoversAnnotation="true"
         beStrictAboutOutputDuringTests="true"
@@ -20,14 +21,14 @@
         stopOnSkipped="false"
         verbose="true"
 >
-    <testsuites>
-        <testsuite name="Integration Tests">
-            <directory>.</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist addUncoveredFilesFromWhitelist="true" processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">../../src/</directory>
-        </whitelist>
-    </filter>
-</phpunit>
+  <coverage includeUncoveredFiles="true" processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">../../src/</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Integration Tests">
+      <directory>.</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>