modified variable cascading unit tests in optimizer.js to account for ALOY-540
modified variable cascading unit tests in optimizer.js to account for ALOY-540

FokkeZB/alloy,xavierlacot/alloy,NadsonFernando/alloy,bhatfield/alloy,xavierlacot/alloy,WY08271/alloy,indera/alloy,WY08271/alloy,FokkeZB/alloy,brentonhouse/brentonhouse.alloy,NadsonFernando/alloy,jppope/alloy,jvkops/alloy,NadsonFernando/alloy,bhatfield/alloy,4talesa/alloy,mobilehero/adamantium,indera/alloy,4talesa/alloy,mobilehero/adamantium,bhatfield/alloy,xavierlacot/alloy,mobilehero/adamantium,indera/alloy,FokkeZB/alloy,jppope/alloy,brentonhouse/brentonhouse.alloy,jvkops/alloy,jppope/alloy,WY08271/alloy,jvkops/alloy,brentonhouse/brentonhouse.alloy,4talesa/alloy