Fix testhelper.deepDiffEqual (#374)

* Fix deepdiff comparison with maps

* Fix RemainingKeys function

* Fix unit tests

* Another fix of RemainingKeys

* RemainingKeys cleanup

* Simplifying RemainingKeys

* Revert continue on invalid. Fix broken tests

Related-PROD: PROD-28126

Change-Id: Ifc5afaf1278c7cff3a89b23a1fd1876aac1dff34
diff --git a/openstack/cdn/v1/base/testing/requests_test.go b/openstack/cdn/v1/base/testing/requests_test.go
index 69a8256..216a271 100644
--- a/openstack/cdn/v1/base/testing/requests_test.go
+++ b/openstack/cdn/v1/base/testing/requests_test.go
@@ -17,16 +17,18 @@
 	th.CheckNoErr(t, err)
 
 	expected := base.HomeDocument{
-		"rel/cdn": map[string]interface{}{
-			"href-template": "services{?marker,limit}",
-			"href-vars": map[string]interface{}{
-				"marker": "param/marker",
-				"limit":  "param/limit",
-			},
-			"hints": map[string]interface{}{
-				"allow": []string{"GET"},
-				"formats": map[string]interface{}{
-					"application/json": map[string]interface{}{},
+		"resources": map[string]interface{}{
+			"rel/cdn": map[string]interface{}{
+				"href-template": "services{?marker,limit}",
+				"href-vars": map[string]interface{}{
+					"marker": "param/marker",
+					"limit":  "param/limit",
+				},
+				"hints": map[string]interface{}{
+					"allow": []interface{}{"GET"},
+					"formats": map[string]interface{}{
+						"application/json": map[string]interface{}{},
+					},
 				},
 			},
 		},