diff --git a/test/lib/validation/schema/__helper__/extension.js b/test/lib/validation/schema/__helper__/extension.js
index 51a3276b9..31aaa4466 100644
--- a/test/lib/validation/schema/__helper__/extension.js
+++ b/test/lib/validation/schema/__helper__/extension.js
@@ -22,7 +22,6 @@ module.exports = {
 			test(`kind: extension / type: ${type} basic (${specVersion})`, async (t) => {
 				await assertValidation(t, Object.assign({
 					"specVersion": specVersion,
-					"kind": "extension",
 					"type": type,
 					"metadata": {
 						"name": "my-" + type
@@ -33,7 +32,6 @@ module.exports = {
 			test(`kind: extension / type: ${type} additionalProperties (${specVersion})`, async (t) => {
 				await assertValidation(t, Object.assign({
 					"specVersion": specVersion,
-					"kind": "extension",
 					"type": type,
 					"metadata": {
 						"name": "my-" + type
@@ -50,24 +48,26 @@ module.exports = {
 				}]);
 			});
 
-			test(`${type} Invalid configuration: Additional property (${specVersion})`, async (t) => {
-				await assertValidation(t, Object.assign( {
-					"specVersion": specVersion,
-					"type": type,
-					"metadata": {
-						"name": "my-" + type
-					},
-					"notAllowed": true
-				}, additionalConfiguration), [{
-					dataPath: "",
-					keyword: "additionalProperties",
-					message: "should NOT have additional properties",
-					params: {
-						additionalProperty: "notAllowed",
-					},
-					schemaPath: specVersion === "2.1" ? "#/then/additionalProperties" : "#/else/additionalProperties"
-				}]);
-			});
+			test(`kind: extension / type: ${type} Invalid configuration: Additional property (${specVersion})`,
+				async (t) => {
+					await assertValidation(t, Object.assign( {
+						"specVersion": specVersion,
+						"type": type,
+						"metadata": {
+							"name": "my-" + type
+						},
+						"notAllowed": true
+					}, additionalConfiguration), [{
+						dataPath: "",
+						keyword: "additionalProperties",
+						message: "should NOT have additional properties",
+						params: {
+							additionalProperty: "notAllowed",
+						},
+						schemaPath:
+							specVersion === "2.1" ? "#/then/additionalProperties" : "#/else/additionalProperties"
+					}]);
+				});
 		});
 	}
 };