Add How to Run Tests on README #43

Job	Run time
Laravel ^10.0 PHP 8.1 macos-12	1m 31s
Laravel ^10.0 PHP 8.1 ubuntu-20.04	33s
Laravel ^10.0 PHP 8.2 macos-12	34s
Laravel ^10.0 PHP 8.1 windows-2019 without com_dotnet	56s
Laravel ^10.0 PHP 8.2 ubuntu-20.04	46s
Laravel ^10.0 PHP 8.1 macos-13	1m 1s
Laravel ^10.0 PHP 8.1 windows-2019 without com_dotnet	59s
Laravel ^10.0 PHP 8.1 ubuntu-22.04	28s
Laravel ^10.0 PHP 8.2 macos-13	40s
Laravel ^10.0 PHP 8.2 ubuntu-22.04	49s
Laravel ^10.0 PHP 8.2 windows-2019 without com_dotnet	1m 6s
Laravel ^10.0 PHP 8.2 windows-2019 without com_dotnet	1m 7s
Laravel ^10.0 PHP 8.1 windows-2022 without com_dotnet	1m 25s
Laravel ^10.0 PHP 8.1 windows-2022 without com_dotnet	1m 14s
Laravel ^10.0 PHP 8.2 windows-2022 without com_dotnet	1m 10s
Laravel ^10.0 PHP 8.2 windows-2022 without com_dotnet	1m 30s
	15m 49s

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