diff --git a/test/api_integration/apis/data_views/fields_for_wildcard_route/response.ts b/test/api_integration/apis/data_views/fields_for_wildcard_route/response.ts
index 5b3c033dfe67f..7c33001c3f91e 100644
--- a/test/api_integration/apis/data_views/fields_for_wildcard_route/response.ts
+++ b/test/api_integration/apis/data_views/fields_for_wildcard_route/response.ts
@@ -6,6 +6,8 @@
  * Side Public License, v 1.
  */
 
+import { ELASTIC_HTTP_VERSION_HEADER } from '@kbn/core-http-common';
+import { INITIAL_REST_VERSION_INTERNAL } from '@kbn/data-views-plugin/server/constants';
 import expect from '@kbn/expect';
 import { sortBy } from 'lodash';
 import { FtrProviderContext } from '../../../ftr_provider_context';
@@ -83,6 +85,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('returns a flattened version of the fields in es', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({ pattern: 'basic_index' })
         .expect(200, {
           fields: testFields,
@@ -94,6 +97,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('returns a single field as requested', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({ pattern: 'basic_index', fields: JSON.stringify(['bar']) })
         .expect(200, {
           fields: [testFields[0]],
@@ -104,6 +108,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('always returns a field for all passed meta fields', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({
           pattern: 'basic_index',
           meta_fields: JSON.stringify(['_id', '_source', 'crazy_meta_field']),
@@ -196,6 +201,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('returns fields when one pattern exists and the other does not', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({ pattern: 'bad_index,basic_index' })
         .expect(200, {
           fields: testFields,
@@ -206,6 +212,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('returns 404 when neither exists', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({ pattern: 'bad_index,bad_index_2' })
         .expect(404);
     });
@@ -213,6 +220,7 @@ export default function ({ getService }: FtrProviderContext) {
     it('returns 404 when no patterns exist', async () => {
       await supertest
         .get('/api/index_patterns/_fields_for_wildcard')
+        .set(ELASTIC_HTTP_VERSION_HEADER, INITIAL_REST_VERSION_INTERNAL)
         .query({
           pattern: 'bad_index',
         })