Smoke tests for assorted plugins (#7721)

Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
Co-authored-by: Thomas Grainger <tagrain@gmail.com>
Co-authored-by: Kyle Altendorf <sda@fstab.net>

src/_pytest/python.py

@@ -164,9 +164,10 @@ def async_warn_and_skip(nodeid: str) -> None:
     msg += (
         "You need to install a suitable plugin for your async framework, for example:\n"
     )
+    msg += "  - anyio\n"
     msg += "  - pytest-asyncio\n"
-    msg += "  - pytest-trio\n"
     msg += "  - pytest-tornasync\n"
+    msg += "  - pytest-trio\n"
     msg += "  - pytest-twisted"
     warnings.warn(PytestUnhandledCoroutineWarning(msg.format(nodeid)))
     skip(msg="async def function and no async plugin installed (see warnings)")