fix test

Author: malsuke

tests/PHPStan/Analyser/AnalyserIntegrationTest.php

@@ -13,6 +13,7 @@
 use PHPStan\Type\Constant\ConstantStringType;
 use function extension_loaded;
 use function restore_error_handler;
+use function sprintf;
 use const PHP_VERSION_ID;
 
 class AnalyserIntegrationTest extends PHPStanTestCase
@@ -886,11 +887,6 @@ public function testBug7500(): void
 		$this->assertNoErrors($errors);
 	}
 
-
-	/**
-	 *
-	 */
-
 	public function testBug7554(): void
 	{
 		$errors = $this->runAnalyse(__DIR__ . '/data/bug-7554.php');