Get the tests passing

lib/vagrant/environment.rb

@@ -243,7 +243,7 @@ module Vagrant
         result.env = self
         result
       else
-        UI.new(self)
+        UI::Silent.new(self)
       end
     end
 

lib/vagrant/ui.rb

@@ -27,6 +27,9 @@ module Vagrant
       end
     end
 
+    # This is a UI implementation that does nothing.
+    class Silent < Interface; end
+
     # This is a UI implementation that outputs the text as is. It
     # doesn't add any color.
     class Basic < Interface

test/unit/vagrant/ui_test.rb

@@ -1,29 +0,0 @@
-require "test_helper"
-
-class ShellUITest < Test::Unit::TestCase
-  setup do
-    @klass = Vagrant::UI::Shell
-    @shell = mock("shell")
-    @instance = @klass.new(vagrant_env, @shell)
-  end
-
-  context "prefixing with resource" do
-    should "prefix message with environment resource" do
-      @shell.expects(:say).with() do |message, color|
-        assert message =~ /\[#{@instance.env.resource}\]/
-        true
-      end
-
-      @instance.info("vagrant.errors.test_key")
-    end
-
-    should "not prefix the message if given false" do
-      @shell.expects(:say).with() do |message, color|
-        assert message !~ /\[#{@instance.env.resource}\]/
-        true
-      end
-
-      @instance.info("vagrant.errors.test_key", :prefix => false)
-    end
-  end
-end