gh-71339: Use new assertion methods in the http tests #138887

Job	Run time
Change detection / Compute changed files	12s
Check if Autoconf files are up to date	25s
Check if generated files are up to date	4m 2s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.15)	2m 20s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.1.7)	2m 28s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.3)	2m 43s
Address sanitizer (ubuntu-24.04)	8m 20s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.2)	2m 26s
Docs	0s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.0)	2m 10s
Hypothesis tests on Ubuntu	6m 41s
Windows MSI${{ '' }}	0s
CIFuzz	0s
Thread sanitizer / Thread sanitizer	5m 11s
Thread sanitizer (free-threading) / Thread sanitizer	9m 27s
WASI / build and test	4m 38s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 32s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	3m 47s
macOS / build and test (macos-13)	12m 19s
Ubuntu / build and test (ubuntu-24.04-aarch64)	7m 52s
Ubuntu / build and test (ubuntu-24.04)	8m 9s
Ubuntu (free-threading) / build and test (ubuntu-24.04)	12m 17s
Ubuntu (free-threading) / build and test (ubuntu-24.04-aarch64)	10m 13s
Ubuntu (bolt) / build and test (ubuntu-24.04)	12m 12s
Windows / build and test (arm64)	3m 2s
Windows / build and test (Win32)	16m 23s
Windows (free-threading) / build and test (arm64)	2m 29s
Windows / build and test (x64)	15m 41s
Windows (free-threading) / build and test (x64)	30m 26s
All required checks pass	2s
	3h 10m 27s

Provide feedback