( ! ) Deprecated: Symfony\Component\DependencyInjection\Tests\Compiler\IntegrationTest::testYamlContainerCompiles(): Implicitly marking parameter $mainContainer as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Tests\Compiler\IntegrationTest.php on line 148

( ! ) Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Tests\Compiler\IntegrationTest.php on line 31
( ! ) Error: Class "PHPUnit\Framework\TestCase" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Tests\Compiler\IntegrationTest.php on line 31
Call Stack
#	Time	Memory	Function	Location
1	0.0203	454488	{main}( )	...\IntegrationTest.php:0