Pass extra args to pytest through nox (#123)

docs/howto.md

@@ -31,6 +31,12 @@ Running the tests is done using:
 
     make test
 
+The `nox` test session will pass pytest arguments through. For example,
+to run only the tests including "simple_search" in the test name, and only
+on Python 3.11:
+
+    nox -s test-3.11 -- -k simple_search
+
 ## Working on tantivy-py documentation
 
 Please be aware that this documentation is structured using the [Diátaxis](https://diataxis.fr/) framework. In very simple terms, this framework will suggest the correct location for different kinds of documentation. Please make sure you gain a basic understanding of the goals of the framework before making large pull requests with new documentation.

noxfile.py

@@ -5,4 +5,4 @@ import nox
 def test(session):
     session.install("-rrequirements-dev.txt")
     session.install("-e", ".", "--no-build-isolation")
-    session.run("pytest")
+    session.run("pytest", *session.posargs)