add rubicon adapter unit test assertion to make sure output is (#266)
add rubicon adapter unit test assertion to make sure output is (#266)

* add rubicon adapter unit test assertion to make sure output is
predictable

* revise import package to fix validation script bug

cindyhere33/prebid-server,prebid/prebid-server,prebid/prebid-server,cindyhere33/prebid-server,prebid/prebid-server,cindyhere33/prebid-server