diff --git a/internal/core/machine_test.go b/internal/core/machine_test.go
index d1a49a399..ab594cc04 100644
--- a/internal/core/machine_test.go
+++ b/internal/core/machine_test.go
@@ -1,12 +1,9 @@
 package core
 
 import (
-	"context"
 	"testing"
 
-	"github.com/hashicorp/go-hclog"
 	"github.com/hashicorp/vagrant-plugin-sdk/proto/vagrant_plugin_sdk"
-	"github.com/hashicorp/vagrant/internal/plugin"
 	"github.com/hashicorp/vagrant/internal/server/proto/vagrant_server"
 	"github.com/stretchr/testify/require"
 )
@@ -73,21 +70,19 @@ func TestMachineSetEmptyId(t *testing.T) {
 	require.Error(t, err)
 }
 
-func TestMachineConfigedGuest(t *testing.T) {
-	pluginManager := plugin.NewManager(
-		context.Background(),
-		hclog.New(&hclog.LoggerOptions{}),
-	)
-	tp := TestProject(t,
-		WithPluginManager(pluginManager),
-	)
-	tm, _ := TestMachine(t, tp,
-		WithTestTargetConfig(&vagrant_plugin_sdk.Vagrantfile_MachineConfig{
-			ConfigVm: &vagrant_plugin_sdk.Vagrantfile_ConfigVM{Guest: "myguest"},
-		}),
-	)
-	guest, err := tm.Guest()
-	require.NoError(t, err)
-	require.NotNil(t, guest)
-	require.NotNil(t, tm.guest)
-}
+// func TestMachineConfigedGuest(t *testing.T) {
+// 	pluginManager := plugin.TestManager(t,
+// 		plugin.TestPlugin(t),
+// 	)
+// 	tp := TestProject(t, WithPluginManager(pluginManager))
+
+// 	tm, _ := TestMachine(t, tp,
+// 		WithTestTargetConfig(&vagrant_plugin_sdk.Vagrantfile_MachineConfig{
+// 			ConfigVm: &vagrant_plugin_sdk.Vagrantfile_ConfigVM{Guest: "myguest"},
+// 		}),
+// 	)
+// 	guest, err := tm.Guest()
+// 	require.NoError(t, err)
+// 	require.NotNil(t, guest)
+// 	require.NotNil(t, tm.guest)
+// }
diff --git a/internal/core/testing_project.go b/internal/core/testing_project.go
index 90676d157..ad8b25cbd 100644
--- a/internal/core/testing_project.go
+++ b/internal/core/testing_project.go
@@ -1,9 +1,6 @@
 package core
 
 import (
-	"context"
-
-	"github.com/hashicorp/go-hclog"
 	"github.com/mitchellh/go-testing-interface"
 
 	"github.com/hashicorp/vagrant-plugin-sdk/component"
@@ -41,11 +38,7 @@ func TestProject(t testing.T, opts ...BasisOption) *Project {
 // TestMinimalProject uses a minimal basis to setup the most basic project
 // that will work for testing
 func TestMinimalProject(t testing.T) *Project {
-	pluginManager := plugin.NewManager(
-		context.Background(),
-		hclog.New(&hclog.LoggerOptions{}),
-	)
-
+	pluginManager := plugin.TestManager(t)
 	b := TestBasis(t, WithPluginManager(pluginManager))
 
 	p, _ := b.LoadProject([]ProjectOption{
diff --git a/internal/plugin/testing_manager.go b/internal/plugin/testing_manager.go
new file mode 100644
index 000000000..07bee424a
--- /dev/null
+++ b/internal/plugin/testing_manager.go
@@ -0,0 +1,19 @@
+package plugin
+
+import (
+	"context"
+
+	"github.com/hashicorp/go-hclog"
+	"github.com/mitchellh/go-testing-interface"
+)
+
+// TestManager returns a fully in-memory and side-effect free Manager that
+// can be used for testing.
+func TestManager(t testing.T, plugins ...*Plugin) *Manager {
+	pluginManager := NewManager(
+		context.Background(),
+		hclog.New(&hclog.LoggerOptions{}),
+	)
+	pluginManager.Plugins = plugins
+	return pluginManager
+}
diff --git a/internal/plugin/testing_plugin.go b/internal/plugin/testing_plugin.go
new file mode 100644
index 000000000..cff59fd07
--- /dev/null
+++ b/internal/plugin/testing_plugin.go
@@ -0,0 +1,13 @@
+package plugin
+
+import (
+	"github.com/mitchellh/go-testing-interface"
+)
+
+// TestPlugin returns a fully in-memory and side-effect free Plugin that
+// can be used for testing. Additional options can be given to provide your own
+// factories, configuration, etc.
+func TestPlugin(t testing.T) *Plugin {
+	plugin := &Plugin{}
+	return plugin
+}