Run libev unit tests in CI and stop silently skipping tests #1140

Job	Run time
Test wheels building / Prepare matrix to run for 3.13 on `linux,macos-x86,macos-arm,windows,linux-aarch64`	2s
Test wheels building / Build source distribution	9s
Test wheels building / Build wheels for macos-arm on macos-14	3m 36s
Test wheels building / Build wheels for macos-x86 on macos-15-intel	6m 59s
Test wheels building / Build wheels for windows on windows-2022	4m 51s
Test wheels building / Build wheels for linux on ubuntu-24.04	3m 27s
Test wheels building / Build wheels for linux-aarch64 on ubuntu-24.04-arm	5m 14s
	24m 18s

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