Reset TestTransport on ensureKernelShutdown #331

Job	Run time
PHP 8.1, SF 5.4.* - highest	19s
Sync meta files	0s
PHP 8.1, SF 6.4.* - highest	2m 26s
PHP 8.2, SF 5.4.* - highest	2m 27s
PHP 8.2, SF 6.4.* - highest	22s
PHP 8.2, SF 7.1.* - highest	24s
composer-validate / Validate composer.json	6s
sca / Static Code Analysis	21s
PHP 8.3, SF 5.4.* - highest	2m 26s
PHP 8.3, SF 6.4.* - highest	24s
code-coverage / Code Coverage	22s
PHP 8.3, SF 7.1.* - highest	23s
PHP 8.1, SF * - lowest	2m 37s
Run php-cs-fixer	0s
	12m 37s

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