merging and refining examples, also refining skipping documentation.

doc/example/assertion/global_testmodule_config/conftest.py

@@ -0,0 +1,10 @@
+import pytest, py
+mydir = py.path.local(__file__).dirpath()
+
+def pytest_runtest_setup(item):
+    if isinstance(item, pytest.Function):
+        if not item.fspath.relto(mydir):
+            return
+        mod = item.getparent(pytest.Module).obj
+        if hasattr(mod, 'hello'):
+            py.builtin.print_("mod.hello", mod.hello)

doc/example/assertion/global_testmodule_config/test_hello.py

@@ -0,0 +1,5 @@
+
+hello = "world"
+
+def test_func():
+    pass