diff --git a/controller/northbound/server/role_test.go b/controller/northbound/server/role_test.go
index 0b415d857189f0c0ea620d48f322dcf987e717c5..2d75e067843f15c594d6d34e2b0a503d058c8582 100644
--- a/controller/northbound/server/role_test.go
+++ b/controller/northbound/server/role_test.go
@@ -206,8 +206,9 @@ func TestRole_GetRole(t *testing.T) {
 								FieldName: stringToPointer("role_name"),
 							},
 						},
-					}, ConstraintId: stringToPointer("required"),
-					Message: stringToPointer("value is required"),
+					},
+					ConstraintId: stringToPointer("required"),
+					Message:      stringToPointer("value is required"),
 				},
 			},
 		},
diff --git a/controller/northbound/server/topology_test.go b/controller/northbound/server/topology_test.go
index aca431a95fb07702b7e0973b4e4237d5581bdd19..dea560a452ff02ff710d6ca71fcc251d8f57472d 100644
--- a/controller/northbound/server/topology_test.go
+++ b/controller/northbound/server/topology_test.go
@@ -308,8 +308,9 @@ func TestTopology_AddLink(t *testing.T) {
 								FieldName: stringToPointer("sourceNode"),
 							},
 						},
-					}, ConstraintId: stringToPointer("required"),
-					Message: stringToPointer("value is required"),
+					},
+					ConstraintId: stringToPointer("required"),
+					Message:      stringToPointer("value is required"),
 				},
 				{
 					Field: &validate.FieldPath{
@@ -321,8 +322,9 @@ func TestTopology_AddLink(t *testing.T) {
 								FieldName: stringToPointer("targetNode"),
 							},
 						},
-					}, ConstraintId: stringToPointer("required"),
-					Message: stringToPointer("value is required"),
+					},
+					ConstraintId: stringToPointer("required"),
+					Message:      stringToPointer("value is required"),
 				},
 				{
 					Field: &validate.FieldPath{
@@ -334,8 +336,9 @@ func TestTopology_AddLink(t *testing.T) {
 								FieldName: stringToPointer("sourcePort"),
 							},
 						},
-					}, ConstraintId: stringToPointer("required"),
-					Message: stringToPointer("value is required"),
+					},
+					ConstraintId: stringToPointer("required"),
+					Message:      stringToPointer("value is required"),
 				},
 				{
 					Field: &validate.FieldPath{
diff --git a/controller/northbound/server/user_test.go b/controller/northbound/server/user_test.go
index 2013827091288219e37ac3abd8d98a5a2a40fb1c..9fcdf4d610cb5685e69e231bd2d65cde95a7e9e8 100644
--- a/controller/northbound/server/user_test.go
+++ b/controller/northbound/server/user_test.go
@@ -99,8 +99,9 @@ func TestUser_CreateUsers(t *testing.T) {
 								FieldName: stringToPointer("password"),
 							},
 						},
-					}, ConstraintId: stringToPointer("string.min_len"),
-					Message: stringToPointer("value length must be at least 5 characters"),
+					},
+					ConstraintId: stringToPointer("string.min_len"),
+					Message:      stringToPointer("value length must be at least 5 characters"),
 				}},
 		},
 		{
@@ -133,8 +134,9 @@ func TestUser_CreateUsers(t *testing.T) {
 								FieldName: stringToPointer("name"),
 							},
 						},
-					}, ConstraintId: stringToPointer("string.min_len"),
-					Message: stringToPointer("value length must be at least 3 characters"),
+					},
+					ConstraintId: stringToPointer("string.min_len"),
+					Message:      stringToPointer("value length must be at least 3 characters"),
 				}},
 		},
 	}
@@ -212,8 +214,9 @@ func TestUser_GetUser(t *testing.T) {
 								FieldName: stringToPointer("name"),
 							},
 						},
-					}, ConstraintId: stringToPointer("required"),
-					Message: stringToPointer("value is required"),
+					},
+					ConstraintId: stringToPointer("required"),
+					Message:      stringToPointer("value is required"),
 				}},
 		},
 	}