Update test gems
Update test gems

addressable        2.3.8  → 2.5.0
capybara           2.5.0  → 2.12.0
connection_pool    2.2.0  → 2.2.1
hashdiff           0.2.3  → 0.3.2
minitest-reporters 1.1.7  → 1.1.14
mocha              1.1.0  → 1.2.1
poltergeist        1.8.1  → 1.13.0
public_suffix      (new)  → 2.0.5
shoulda-context    1.2.1  → 1.2.2
test_after_commit  0.4.2  → 1.1.0
vcr                3.0.1  → 3.0.3
webmock            1.22.5 → 2.3.2
websocket-driver   0.6.3  → 0.6.5

catima/catima,catima/catima,catima/catima,catima/catima