phpunit10-nested-testsuite-issue

The test suites would be executed repeatedly if the user doesn't specify the test suite in PHPUnit 10.

Please switch the branches and install PHPUnit to see the differences.

PHPUnit 9

$ ./vendor/bin/phpunit -c ./phpunit.xml 
PHPUnit 9.6.15 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.2.14
Configuration: ./phpunit.xml

...                                                                 3 / 3 (100%)

Time: 00:00.005, Memory: 6.00 MB

OK (3 tests, 3 assertions)

PHPUnit 10

Expected (with the defaultTestSuite attribute specified)

$ ./vendor/bin/phpunit -c ./phpunit.xml 
PHPUnit 10.5.7 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.2.14
Configuration: /<SOME_PATH>/phpunit.xml

...                                                                 3 / 3 (100%)

Time: 00:00.003, Memory: 6.00 MB

OK (3 tests, 3 assertions)

Actual

$ ./vendor/bin/phpunit -c ./phpunit.xml 
PHPUnit 10.5.7 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.2.14
Configuration: /<SOME_PATH>/phpunit.xml

......                                                              6 / 6 (100%)

Time: 00:00.004, Memory: 6.00 MB

OK (6 tests, 6 assertions)