tests/gateway/test_platform_http_client_limits.py::test_returns_none_when_httpx_unavailable
tests/gateway/test_platform_http_client_limits.py::test_default_limits_tighten_keepalive_below_httpx_default
tests/gateway/test_platform_http_client_limits.py::test_env_override_keepalive_expiry
tests/gateway/test_platform_http_client_limits.py::test_env_override_max_keepalive
tests/gateway/test_platform_http_client_limits.py::test_env_override_rejects_garbage
tests/gateway/test_platform_http_client_limits.py::test_helper_is_importable_from_every_platform_that_uses_it
tests/gateway/test_platform_http_client_limits.py::TestWhatsappTypingLeakFix::test_bare_await_removed