diff --git a/src/type/__tests__/validation-test.ts b/src/type/__tests__/validation-test.ts
index 0577f89ca5e..7152cab68d8 100644
--- a/src/type/__tests__/validation-test.ts
+++ b/src/type/__tests__/validation-test.ts
@@ -341,11 +341,10 @@ describe('Type System: A Schema must have Object root types', () => {
       input SomeInputObject {
         test: String
       }
-      input SomeInputObject2 {
-        test: String
-      }
-      input SomeInputObject3 {
-        test: String
+      scalar SomeScalar
+      enum SomeEnum {
+        ENUM_VALUE_1
+        ENUM_VALUE_2
       }
     `);
 
@@ -362,7 +361,7 @@ describe('Type System: A Schema must have Object root types', () => {
       schema,
       parse(`
         extend schema {
-          mutation: SomeInputObject2
+          mutation: SomeScalar
         }
       `),
     );
@@ -371,7 +370,7 @@ describe('Type System: A Schema must have Object root types', () => {
       schema,
       parse(`
         extend schema {
-          subscription: SomeInputObject3
+          subscription: SomeEnum
         }
       `),
     );
@@ -384,12 +383,12 @@ describe('Type System: A Schema must have Object root types', () => {
       },
       {
         message:
-          'Mutation root type must be Object type if provided, it cannot be SomeInputObject2.',
+          'Mutation root type must be Object type if provided, it cannot be SomeScalar.',
         locations: [{ line: 3, column: 21 }],
       },
       {
         message:
-          'Subscription root type must be Object type if provided, it cannot be SomeInputObject3.',
+          'Subscription root type must be Object type if provided, it cannot be SomeEnum.',
         locations: [{ line: 3, column: 25 }],
       },
     ]);