Show aviator log after Travis run

Change-Id: Ia1278704701cbc448deaad208ec7cda197c084a5
Show VCR logs after travis job runs

Change-Id: Icc05a18c7bcb910bf548ee4e9ad774914ba5ccf0
Limit metadata to 1

In Ruby 1.8, Hash element ordering is different from Ruby 1.9 and above
so this test will fail if it has more than one element.

Change-Id: I3ee3812562c574f7d6dcead6e068011321e89915