Added test for fixture order. It passes already for all recent pytest…

… versions (after 3.3). Fixes #42

pytest_cases/tests/fixtures/test_fixture_order_respects_scope.py

@@ -0,0 +1,25 @@
+"""
+This is a copy of test at https://github.com/pytest-dev/pytest/blob/master/testing/acceptance_test.py
+"""
+from distutils.version import LooseVersion
+
+import pytest
+
+data = {}
+
+
+@pytest.fixture(scope='module')
+def clean_data():
+    data.clear()
+
+
+@pytest.fixture(autouse=True)
+def add_data():
+    data.update(value=True)
+
+
+@pytest.mark.skipif(LooseVersion(pytest.__version__) < LooseVersion('3.4.0'),
+                    reason="This bug was not fixed in old pytest.")
+@pytest.mark.usefixtures('clean_data')
+def test_value():
+    assert data.get('value')