Issue #24134: assertRaises() and assertRaisesRegexp() checks are not longer
successful if the callable is None.

Added tests for assertRaises().
diff --git a/Misc/NEWS b/Misc/NEWS
index 99ed860..fe16b3c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -21,6 +21,9 @@
 Library
 -------
 
+- Issue #24134: assertRaises() and assertRaisesRegexp() checks are not longer
+  successful if the callable is None.
+
 - Issue #23008: Fixed resolving attributes with boolean value is False in pydoc.
 
 - Issues #24099, #24100, and #24101: Fix free-after-use bug in heapq's siftup