PHP Fatal error: Class 'tests\TestCase' not found

[damaainan]

PHP Fatal error: Class 'tests\TestCase' not found in E:\work\www\think-testing-3.0\example\tests\ExampleTest.php on line 13 PHP Stack trace: PHP 1. {main}() D:\bin\phpunit.phar:0 PHP 2. PHPUnit\TextUI\Command::main() D:\bin\phpunit.phar:616 PHP 3. PHPUnit\TextUI\Command->run() phar://D:/bin/phpunit.phar/phpunit/TextUI/Command.php:162 PHP 4. PHPUnit\TextUI\Command->handleArguments() phar://D:/bin/phpunit.phar/phpunit/TextUI/Command.php:173 PHP 5. PHPUnit\Util\Configuration->getTestSuiteConfiguration() phar://D:/bin/phpunit.phar/phpunit/TextUI/Command.php:902 PHP 6. PHPUnit\Util\Configuration->getTestSuite() phar://D:/bin/phpunit.phar/phpunit/Util/Configuration.php:996 PHP 7. PHPUnit\Framework\TestSuite->addTestFiles() phar://D:/bin/phpunit.phar/phpunit/Util/Configuration.php:1137 PHP 8. PHPUnit\Framework\TestSuite->addTestFile() phar://D:/bin/phpunit.phar/phpunit/Framework/TestSuite.php:618 PHP 9. PHPUnit\Util\FileLoader::checkAndLoad() phar://D:/bin/phpunit.phar/phpunit/Framework/TestSuite.php:540 PHP 10. PHPUnit\Util\FileLoader::load() phar://D:/bin/phpunit.phar/phpunit/Util/FileLoader.php:45 PHP 11. include_once() phar://D:/bin/phpunit.phar/phpunit/Util/FileLoader.php:57

[pizsd]

解决了吗？