Refactor rampup tests:  - Cleanup test done condition (should be the same but with less code).  - Split up functions blocks inside methods that were large.
Refactor rampup tests:
 - Cleanup test done condition (should be the same but with less code).
 - Split up functions blocks inside methods that were large.

R=stefan@webrtc.org
BUG=3065

Review URL: https://webrtc-codereview.appspot.com/10029004

git-svn-id: 03ae4fbe531b1eefc9d815f31e49022782c42458@5708 4adac7df-926f-26a2-2b94-8c16560cd09d

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