Minor explicit namespace fix for PHPUnit (#7960)

* Minor explicit namespace fix for PHPUnit
* final

3 files changed, 3 insertions, 3 deletions

diff --git a/tests/lib/CssXPath/CssXPathTest.php b/tests/lib/CssXPath/CssXPathTest.php
index 8197f5b87..272fc4ce6 100644
--- a/tests/lib/CssXPath/CssXPathTest.php
+++ b/tests/lib/CssXPath/CssXPathTest.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-class CssXPathTest extends PHPUnit\Framework\TestCase
+final class CssXPathTest extends \PHPUnit\Framework\TestCase
 {
 	public static function testCssXPathTranslatorClassExists(): void {
 		self::assertTrue(class_exists('Gt\\CssXPath\\Translator'));
diff --git a/tests/lib/PHPMailer/PHPMailerTest.php b/tests/lib/PHPMailer/PHPMailerTest.php
index 8bc8378b6..2d18a3535 100644
--- a/tests/lib/PHPMailer/PHPMailerTest.php
+++ b/tests/lib/PHPMailer/PHPMailerTest.php
@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 use PHPMailer\PHPMailer\PHPMailer;
 
-class PHPMailerTest extends PHPUnit\Framework\TestCase
+final class PHPMailerTest extends \PHPUnit\Framework\TestCase
 {
 	public static function testPHPMailerClassExists(): void {
 		self::assertTrue(class_exists(PHPMailer::class));
diff --git a/tests/lib/SimplePie/SimplePieTest.php b/tests/lib/SimplePie/SimplePieTest.php
index 63b2e51f9..a5f4a1844 100644
--- a/tests/lib/SimplePie/SimplePieTest.php
+++ b/tests/lib/SimplePie/SimplePieTest.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-final class SimplePieTest extends PHPUnit\Framework\TestCase
+final class SimplePieTest extends \PHPUnit\Framework\TestCase
 {
 	public function testSimplePieClassExists(): void {
 		self::assertTrue(class_exists(\SimplePie\SimplePie::class));