Merge branch 'hotfix/docker-update-gemupdate'

Author: mblaschke

test/Gemfile.lock

@@ -2,17 +2,17 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.2.5)
-    docker-api (1.26.2)
+    docker-api (1.28.0)
       excon (>= 0.38.0)
       json
-    excon (0.48.0)
+    excon (0.49.0)
     json (1.8.3)
     multi_json (1.11.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
-    net-ssh (3.0.2)
+    net-ssh (3.1.1)
     net-telnet (0.1.1)
-    rake (11.1.1)
+    rake (11.1.2)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
       rspec-expectations (~> 3.4.0)
@@ -29,15 +29,15 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    serverspec (2.31.0)
+    serverspec (2.31.1)
       multi_json
       rspec (~> 3.0)
       rspec-its
       specinfra (~> 2.53)
     sfl (2.2)
-    specinfra (2.54.1)
+    specinfra (2.56.1)
       net-scp
-      net-ssh (>= 2.7, < 3.1)
+      net-ssh (>= 2.7, < 4.0)
       net-telnet
       sfl