tests: fix http-bad-server expected errors for python 3.10 (issue6643)
The format of the error message changed with this version of Python.
This also removes obsolete Python 3 checks.
[package]
name = "chg"
version = "0.1.0"
authors = ["Yuya Nishihara <yuya@tcha.org>"]
description = "Client for Mercurial command server with cHg extension"
license = "GPL-2.0+"
edition = "2018"
[dependencies]
async-trait = "0.1"
bytes = "0.5"
futures = "0.3"
libc = "0.2"
log = { version = "0.4", features = ["std"] }
tokio-hglib = "0.3"
[dependencies.tokio]
version = "0.2"
features = ["rt-core", "io-util", "time", "process", "macros"]
[build-dependencies]
cc = "1.0"