diff --git a/go/vt/vtadmin/api_authz_test.go b/go/vt/vtadmin/api_authz_test.go
index b676b8cf9e3..a59283f695f 100644
--- a/go/vt/vtadmin/api_authz_test.go
+++ b/go/vt/vtadmin/api_authz_test.go
@@ -3608,6 +3608,37 @@ func testClusters(t testing.TB) []*cluster.Cluster {
 						},
 					},
 				},
+				GetSrvVSchemaResults: map[string]struct {
+					Response *vtctldatapb.GetSrvVSchemaResponse
+					Error    error
+				}{
+					"zone1": {
+						Response: &vtctldatapb.GetSrvVSchemaResponse{
+							SrvVSchema: &vschemapb.SrvVSchema{
+								Keyspaces: map[string]*vschemapb.Keyspace{
+									"test": {
+										Sharded: true,
+										Vindexes: map[string]*vschemapb.Vindex{
+											"id": {
+												Type: "hash",
+											},
+										},
+										Tables: map[string]*vschemapb.Table{
+											"t1": {
+												ColumnVindexes: []*vschemapb.ColumnVindex{
+													{
+														Name:   "id",
+														Column: "id",
+													},
+												},
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
 				GetVSchemaResults: map[string]struct {
 					Response *vtctldatapb.GetVSchemaResponse
 					Error    error
diff --git a/go/vt/vtadmin/testutil/authztestgen/config.json b/go/vt/vtadmin/testutil/authztestgen/config.json
index 2828a1ef27e..799384b6999 100644
--- a/go/vt/vtadmin/testutil/authztestgen/config.json
+++ b/go/vt/vtadmin/testutil/authztestgen/config.json
@@ -80,7 +80,12 @@
                     "type": "map[string]struct{\nResponse *vtctldatapb.GetSchemaResponse\nError error}",
                     "value": "\"zone1-0000000100\": {\nResponse: &vtctldatapb.GetSchemaResponse{\nSchema: &tabletmanagerdatapb.SchemaDefinition{\nTableDefinitions: []*tabletmanagerdatapb.TableDefinition{\n{Name: \"t1\", Schema: \"create table t1 (id int(11) not null primary key);\",},\n{Name: \"t2\"},\n},\n},\n},\n},"
                 },
-
+                {
+                    "field": "GetSrvVSchemaResults",
+                    "type": "map[string]struct{\nResponse *vtctldatapb.GetSrvVSchemaResponse\nError error}",
+                    "value": "\"zone1\": {\nResponse: &vtctldatapb.GetSrvVSchemaResponse{\nSrvVSchema: &vschemapb.SrvVSchema{\nKeyspaces: map[string]*vschemapb.Keyspace{\n\"test\": {\nSharded: true,\nVindexes: map[string]*vschemapb.Vindex{\n\"id\": {\nType: \"hash\",\n},\n},\nTables: map[string]*vschemapb.Table{\n\"t1\": {\nColumnVindexes: []*vschemapb.ColumnVindex{\n{\nName: \"id\",\nColumn: \"id\",\n},\n},\n},\n},\n},\n},\n},\n},\n},",
+                    "comment": "this structure exists primarily to support the VExplain test cases; for GetSrvVSchema(s) itself, an empty but non-nil map is sufficient"
+                },         
                 {
                     "field": "GetVSchemaResults",
                     "type": "map[string]struct{\nResponse *vtctldatapb.GetVSchemaResponse\nError error}",