rectangles: Update test cases
rectangles: Update test cases

Updates the test cases according to the canonical test data
and stores the test data version.

exercism/xpython,exercism/xpython,smalley/python,jmluy/xpython,smalley/python,pheanex/xpython,mweb/python,jmluy/xpython,N-Parsons/exercism-python,exercism/python,N-Parsons/exercism-python,mweb/python,behrtam/xpython,behrtam/xpython,exercism/python,pheanex/xpython