tests/cpydiff: Add a test for storing iterable to a list slice.

tests/cpydiff/types_list_store_noniter.py

+"""
+categories: Types,list
+description: List slice-store with non-iterable on RHS is not implemented
+cause: RHS is restricted to be a tuple or list
+workaround: Use ``list(<iter>)`` on RHS to convert the iterable to a list
+"""
+l = [10, 20]
+l[0:1] = range(4)
+print(l)