Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/lidia/vendor/google/gax/tests/ApiCore/Tests/Unit/InstantiateClassesTest.php:41
Stack trace:
#0 {main}
thrown in /home/app/htdocs/lidia/vendor/google/gax/tests/ApiCore/Tests/Unit/InstantiateClassesTest.php on line 41