use setup-show and extend reproducer with fixture/fixture+autouse checks

testing/example_scripts/order_issue.py

@@ -35,6 +35,24 @@ class TestSomething(MyPytestBase):
         assert os.environ["X"] == "1"
 
 
+class TestSomethingWithFixture(MyPytestBase):
+    @pytest.fixture
+    def setup_method(self):
+        self.set_environ("X", "1")
+
+    def test_something(self):
+        assert os.environ["X"] == "1"
+
+
+class TestSomethingWithFixtureAutouse(MyPytestBase):
+    @pytest.fixture(autouse=True)
+    def setup_method(self):
+        self.set_environ("X", "1")
+
+    def test_something(self):
+        assert os.environ["X"] == "1"
+
+
 # This arrangement works: _monkeypatch runs before setUp
 class MyUnittestBase(
     EnvironmentAwareMixin,

testing/examples/test_order_issue.py

@@ -3,5 +3,5 @@ from _pytest.pytester import Pytester
 
 def test_order(pytester: Pytester) -> None:
     pytester.copy_example("order_issue.py")
-    rep = pytester.runpytest("order_issue.py")
+    rep = pytester.runpytest("order_issue.py", "--setup-show")
     rep.assert_outcomes(passed=2)