Only run tests that require bsdtar if it is available

test/unit/base.rb

@@ -41,6 +41,10 @@ RSpec.configure do |c|
     c.filter_run_excluding :windows
   end
 
+  if !Vagrant::Util::Which.which("bsdtar")
+    c.filter_run_excluding :bsdtar
+  end
+
   c.after(:suite) do
     FileUtils.rm_rf(VAGRANT_TEST_CWD)
   end

test/unit/vagrant/action/builtin/box_add_test.rb

@@ -10,7 +10,7 @@ require File.expand_path("../../../../base", __FILE__)
 
 require "vagrant/util/file_checksum"
 
-describe Vagrant::Action::Builtin::BoxAdd, :skip_windows do
+describe Vagrant::Action::Builtin::BoxAdd, :skip_windows, :bsdtar do
   include_context "unit"
 
   let(:app) { lambda { |env| } }

test/unit/vagrant/box_test.rb

@@ -320,7 +320,7 @@ describe Vagrant::Box, :skip_windows do
       FileUtils.rm_rf(scratch)
     end
 
-    it "should repackage the box" do
+    it "should repackage the box", :bsdtar do
       test_file_contents = "hello, world!"
 
       # Put a file in the box directory to verify it is packaged properly