Tests

Remove redundant assignment in `asyncio.streams.StreamReaderProtocol.connection_lost()` #163010

Job	Run time
Change detection / Create context from changed files	11s
Check if Autoconf files are up to date	39s
Check if generated files are up to date	6m 22s
Docs	0s
Hypothesis tests on Ubuntu	7m 58s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.3)	3m 51s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.1.8)	3m 12s
Cross build Linux	4m 1s
Windows MSI${{ '' }}	0s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.1)	3m 30s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.4)	4m 48s
Address sanitizer (ubuntu-24.04)	10m 28s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.16)	3m 31s
Ubuntu SSL tests with AWS-LC (ubuntu-24.04, 1.55.0)	3m 57s
CIFuzz	-1s
Windows / Build and test (x64)	17m 26s
Windows (free-threading) / Build and test (x64)	25m 4s
Windows / Build and test (Win32)	19m 28s
WASI / build and test	7m 44s
Windows / Build and test (arm64)	18m 10s
Windows (free-threading) / Build and test (arm64)	23m 52s
Ubuntu / build and test (ubuntu-24.04-arm)	8m 23s
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)	11m 50s
Ubuntu (free-threading) / build and test (ubuntu-24.04)	16m 13s
Ubuntu / build and test (ubuntu-24.04)	11m 34s
Sanitizers / TSan (free-threading)	18m 2s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	3m 54s
Ubuntu (bolt) / build and test (ubuntu-24.04)	19m 21s
Sanitizers / TSan	12m 29s
Sanitizers / UBSan	15m 23s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 3s
macOS / build and test (macos-13)	9m 42s
All required checks pass	5s
	4h 55m 10s

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