bpo-37648: Fixed minor inconsistency in some __contains__. (GH-14904)
The collection's item is now always at the left and
the needle is on the right of ==.
diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index da6a85d..6eef5c6 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -367,6 +367,12 @@
Object that is equal to anything. Used to test mixed type comparison.
+.. data:: NEVER_EQ
+
+ Object that is not equal to anything (even to :data:`ALWAYS_EQ`).
+ Used to test mixed type comparison.
+
+
.. data:: LARGEST
Object that is greater than anything (except itself).