Add sidecar-controller unit tests

Signed-off-by: Grant Griffiths <grant@portworx.com>

pkg/sidecar-controller/snapshot_finalizer_test.go

@@ -0,0 +1,34 @@
+/*
+Copyright 2019 The Kubernetes 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 sidecar_controller
+
+import (
+	"testing"
+)
+
+// Test single call to ensureSnapshotSourceFinalizer and checkandRemoveSnapshotSourceFinalizer,
+// expecting PVCFinalizer to be added or removed
+func TestContentFinalizer(t *testing.T) {
+
+	// GG TODO - add content finalizer tests
+	/*
+		tests := []controllerTest{
+			{},
+		}
+		runPVCFinalizerTests(t, tests, snapshotClasses)
+	*/
+}