Fix failing destroy test for requiring a VM

test/acceptance/destroy_test.rb

@@ -4,7 +4,16 @@ require "support/shared/command_examples"
 describe "vagrant destroy" do
   include_context "acceptance"
   it_behaves_like "a command that requires a Vagrantfile", ["vagrant", "destroy"]
-  it_behaves_like "a command that requires a virtual machine", ["vagrant", "destroy"]
+
+  it "succeeds and ignores if the VM is not created" do
+    require_box("default")
+
+    assert_execute("vagrant", "box", "add", "base", box_path("default"))
+    assert_execute("vagrant", "init")
+
+    result = assert_execute("vagrant", "destroy")
+    result.stdout.should match_output(:vm_not_created_warning)
+  end
 
   it "is able to destroy a running virtual machine" do
     require_box("default")

test/acceptance/support/output.rb

@@ -51,6 +51,11 @@ module Acceptance
       @text =~ /^VM must be created/
     end
 
+    # This checks that the warning that the VM is not created is emitted.
+    def vm_not_created_warning
+      @text =~ /VM not created. Moving on...$/
+    end
+
     # This checks that the VM is destroyed.
     def vm_destroyed
       @text =~ /Destroying VM and associated drives...$/