new test for __name__ in modules

tests/run/mod__name__.pyx

+
+module_name = __name__
+
+def in_module():
+    """
+    >>> print(in_module())
+    mod__name__
+    """
+    return module_name
+
+def in_function():
+    """
+    >>> print(in_function())
+    mod__name__
+    """
+    return __name__