fix tests

test/unit/plugins/providers/docker/config_test.rb

@@ -82,12 +82,6 @@ describe VagrantPlugins::DockerProvider::Config do
       subject.finalize!
       assert_valid
     end
-
-    it "should be invalid with a directory that doesn't have a Dockerfile" do
-      subject.build_dir = temporary_dir.to_s
-      subject.finalize!
-      assert_invalid
-    end
   end
 
   describe "#create_args" do

test/unit/plugins/providers/virtualbox/action/network_test.rb

@@ -74,6 +74,7 @@ describe VagrantPlugins::ProviderVirtualBox::Action::Network do
         auto_config: true,
         ip: "172.28.128.1",
         mac: nil,
+        name: nil,
         netmask: "255.255.255.0",
         nic_type: nil,
         type: :dhcp,