Update phpunit.xml

Author: sunaoka

phpunit.xml

@@ -1,20 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         beStrictAboutTestsThatDoNotTestAnything="false"
-         bootstrap="vendor/autoload.php"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         backupGlobals="false"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnError="false"
-         stopOnFailure="false"
          verbose="true"
 >
     <testsuites>
         <testsuite name="test">
-            <directory suffix="Test.php">./tests</directory>
+            <directory>./tests</directory>
         </testsuite>
     </testsuites>
     <filter>