Pull request #872: CAS-14457
Merge in CASA/casa6 from CAS-14457 to master
* commit 'e14d7a1ce2e2621eb4ab5d5d8d66b05975b435c8':
Add backward compatibility
Convert assertDictContainsSubset(a, b) to assertEqual(b, b | a)
Add test_tool_synthesisutils to component_to_test_map