mod. name change to test.py to avoid package name conflict.  Imeplemented unit tests in TestSartorisInit.

Change-Id: Ie0289a6ce8929045aa2a2eea73c2162e0e4dc0bd
rm.  redundant imports.

Change-Id: Ib0575a5f3006c2f8bcf34b424bde5ef7e27f36c7