diff --git a/tests/phpunit/phpunit.xml b/tests/phpunit/phpunit.xml
new file mode 100644
index 0000000..00be41b
--- /dev/null
+++ b/tests/phpunit/phpunit.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="../../../../../lib/phpunit/phpunit.xsd"
+        bootstrap="../../../../lib/phpunit/bootstrap.php"
+        convertErrorsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        processIsolation="false"
+        backupGlobals="false"
+        backupStaticAttributes="false"
+        stopOnError="false"
+        stopOnFailure="false"
+        stopOnIncomplete="false"
+        stopOnSkipped="false"
+        printerClass="Hint_ResultPrinter"
+        testSuiteLoaderClass="phpunit_autoloader"
+>
+
+    <testsuites>
+        <testsuite name="auth_outage_testsuite">
+            <directory suffix="_test.php">./</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="false">
+            <directory suffix=".php">../../classes</directory>
+        </whitelist>
+    </filter>
+</phpunit>