Update test that used deprecated cached_setup function

Author: nicoddemus

testing/acceptance_test.py

@@ -517,16 +517,15 @@ def pytest_sessionfinish(session):
     assert collected_file.read() == "collected = 3"
 
 
-def test_funcarg_teardown_failure(testdir):
+def test_fixture_teardown_failure(testdir):
     p = testdir.makepyfile(
         """
         import pytest
-        @pytest.fixture
+        @pytest.fixture(scope="module")
         def myarg(request):
-            def teardown(val):
-                raise ValueError(val)
-            return request.cached_setup(setup=lambda: 42, teardown=teardown,
-                scope="module")
+            yield 42
+            raise ValueError(42)
+
         def test_hello(myarg):
             pass
     """