tests: add test for modern parametrize

Signed-off-by: Henry Schreiner <[email protected]>

nox/_resolver.py

@@ -192,8 +192,7 @@ def extend_walk(
             walk_list = list(walk)
             cycle = walk_list[walk_list.index(node) :] + [node]
             raise CycleError("Nodes are in a dependency cycle", tuple(cycle))
-        else:
-            walk[node] = None
+        walk[node] = None
         return walk
 
     sort = prepended_by_dependencies(root)

tests/test_main.py

@@ -495,6 +495,8 @@ def test_main_with_bad_session_names(run_nox, session):
         (("g", "a", "d"), ("b", "c", "h", "g", "a", "e", "d")),
         (("m",), ("k-3.9", "k-3.10", "m")),
         (("n",), ("k-3.10", "n")),
+        (("v",), ("u(django='1.9')", "u(django='2.0')", "v")),
+        (("u",), ("u(django='1.9')", "u(django='2.0')", "u")),
     ],
 )
 def test_main_requires(run_nox, sessions, expected_order):
@@ -539,6 +541,13 @@ def test_main_requires_chain_fail(run_nox, session):
     assert "Prerequisite session r was not successful" in stderr
 
 
+@pytest.mark.parametrize("session", ("w", "u"))
+def test_main_requries_modern_param(run_nox, session):
+    noxfile = os.path.join(RESOURCES, "noxfile_requires.py")
+    returncode, _, stderr = run_nox(f"--noxfile={noxfile}", f"--session={session}")
+    assert returncode == 0
+
+
 def test_main_noxfile_options(monkeypatch, generate_noxfile_options):
     noxfile_path = generate_noxfile_options(reuse_existing_virtualenvs=True)
     monkeypatch.setattr(