Move snapshots/windows to plugins/snapshots/windows

Signed-off-by: Derek McGowan <derek@mcg.dev>

plugins/snapshots/windows/windows_test.go

@@ -0,0 +1,43 @@
+//go:build windows
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package windows
+
+import (
+	"context"
+	"testing"
+
+	"github.com/containerd/containerd/v2/pkg/testutil"
+	"github.com/containerd/containerd/v2/snapshots"
+	"github.com/containerd/containerd/v2/snapshots/testsuite"
+)
+
+func newSnapshotter(ctx context.Context, root string) (snapshots.Snapshotter, func() error, error) {
+	snapshotter, err := NewWindowsSnapshotter(root)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return snapshotter, func() error { return snapshotter.Close() }, nil
+}
+
+func TestWindows(t *testing.T) {
+	testutil.RequiresRoot(t)
+	testsuite.SnapshotterSuite(t, "Windows", newSnapshotter)
+}