update tests for docker-machine

builder/test-integration/spec/hypriotos-image/docker-machine_spec.rb

@@ -1,13 +1,7 @@
 require 'spec_helper'
 
 describe package('docker-machine') do
-  it { should be_installed }
-end
-
-describe command('dpkg -l docker-machine') do
-  its(:stdout) { should match /ii  docker-machine/ }
-  its(:stdout) { should match /0.9.0-39/ }
-  its(:exit_status) { should eq 0 }
+  it { should_not be_installed }
 end
 
 describe file('/usr/local/bin/docker-machine') do
@@ -17,6 +11,6 @@
 end
 
 describe command('docker-machine --version') do
-  its(:stdout) { should match /0.9.0/m }
+  its(:stdout) { should match /0.12.0/m }
   its(:exit_status) { should eq 0 }
 end