Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\cw\vendor\commerceguys\addressing\tests\AddressFormat\AddressFormatTest.php:16
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cw\vendor\commerceguys\addressing\tests\AddressFormat\AddressFormatTest.php on line 16