Don't clear registered actions hash in tests ever

test/vagrant/action/builder_test.rb

@@ -155,10 +155,6 @@ class ActionBuilderTest < Test::Unit::TestCase
     end
 
     context "converting to an app" do
-      teardown do
-        Vagrant::Action.actions.clear
-      end
-
       should "make non-classes lambdas" do
         env = Vagrant::Action::Environment.new(nil)
         env.expects(:foo).once

test/vagrant/action_test.rb

@@ -7,7 +7,7 @@ class ActionTest < Test::Unit::TestCase
 
   context "with a class" do
     teardown do
-      @klass.actions.clear
+      @klass.actions.delete(:foo)
     end
 
     should "be able to register an action" do
@@ -27,10 +27,6 @@ class ActionTest < Test::Unit::TestCase
       @instance = @klass.new(mock_environment)
     end
 
-    teardown do
-      @klass.actions.clear
-    end
-
     should "raise an exception if a nil action is given" do
       assert_raises(ArgumentError) { @instance.run(nil) }
       assert_raises(ArgumentError) { @instance.run(:dontexist) }
@@ -74,6 +70,7 @@ class ActionTest < Test::Unit::TestCase
 
       @klass.register(:call, callable)
       @instance.run(:call)
+      @klass.actions.delete(:call)
     end
 
     should "run the given class if a class is given" do