add some tests for Ring/RingOps
add some tests for Ring/RingOps

kevinmeredith/spire,woparry/spire,codeaudit/spire,siddhartha-gadgil/spire,AlecZorab/spire,JackSullivan/spire,JackSullivan/spire,tixxit/spire,rklaehn/spire,non/spire,adampingel/spire,AlecZorab/spire,rklaehn/spire,adampingel/spire,guersam/spire,tixxit/spire,non/spire,siddhartha-gadgil/spire,kevinmeredith/spire,woparry/spire,codeaudit/spire,guersam/spire