Add pytest-timeout plugin and 300s timeout to prevent indefinite hangs

Co-authored-by: MarcSkovMadsen <42288570+MarcSkovMadsen@users.noreply.github.com>

Author: Copilot

pixi.toml

@@ -30,6 +30,7 @@ mypy = "*"
 pytest = ">=6"
 pytest-asyncio = "*"
 pytest-cov = "*"
+pytest-timeout = "*"
 types-PyYAML = "*"
 
 [feature.test.tasks]

pyproject.toml

@@ -77,6 +77,7 @@ dev = [
     "pre-commit",
     "pytest-asyncio",
     "pytest-rerunfailures",
+    "pytest-timeout",
     "pytest-xdist",
     "pytest",
     "types-PyYAML",
@@ -164,6 +165,7 @@ asyncio_default_fixture_loop_scope = "function"
 xfail_strict = true
 minversion = "7"
 log_cli_level = "INFO"
+timeout = 300
 filterwarnings = [
     "error",
     "ignore::DeprecationWarning",