diff --git a/packages/kbn-ftr-common-functional-services/services/search.ts b/packages/kbn-ftr-common-functional-services/services/search.ts
index c087f1d8bb913..2c9e0f558a365 100644
--- a/packages/kbn-ftr-common-functional-services/services/search.ts
+++ b/packages/kbn-ftr-common-functional-services/services/search.ts
@@ -73,7 +73,7 @@ export class SearchService extends FtrService {
         .post(`${spaceUrl}/internal/search/${strategy}/${body.id}`)
         .set('kbn-xsrf', 'true')
         .set(ELASTIC_HTTP_VERSION_HEADER, '1')
-        .send()
+        .send(options)
         .expect(200);
       expect(resp.body.isRunning).equal(false);
       return resp.body as T;
diff --git a/x-pack/test/apm_api_integration/common/utils/parse_b_fetch.ts b/x-pack/test/apm_api_integration/common/utils/parse_b_fetch.ts
deleted file mode 100644
index 79ea70f7199f9..0000000000000
--- a/x-pack/test/apm_api_integration/common/utils/parse_b_fetch.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0; you may not use this file except in compliance with the Elastic License
- * 2.0.
- */
-
-import request from 'superagent';
-
-export function parseBfetchResponse(resp: request.Response): Array<Record<string, any>> {
-  return resp.text
-    .trim()
-    .split('\n')
-    .map((item) => JSON.parse(item));
-}
diff --git a/x-pack/test/common/services/search_secure.ts b/x-pack/test/common/services/search_secure.ts
index 93654fddd611a..f46e9e57ef275 100644
--- a/x-pack/test/common/services/search_secure.ts
+++ b/x-pack/test/common/services/search_secure.ts
@@ -9,20 +9,12 @@
 // but with the ability to provide custom auth
 
 import expect from '@kbn/expect';
-import request from 'superagent';
 import type { IEsSearchResponse } from '@kbn/search-types';
 import { ELASTIC_HTTP_VERSION_HEADER } from '@kbn/core-http-common';
 import { BFETCH_ROUTE_VERSION_LATEST } from '@kbn/bfetch-plugin/common';
 import { SupertestWithoutAuthProviderType } from '@kbn/ftr-common-functional-services';
 import { FtrService } from '../ftr_provider_context';
 
-const parseBfetchResponse = (resp: request.Response): Array<Record<string, any>> => {
-  return resp.text
-    .trim()
-    .split('\n')
-    .map((item) => JSON.parse(item));
-};
-
 const getSpaceUrlPrefix = (spaceId?: string): string => {
   return spaceId && spaceId !== 'default' ? `/s/${spaceId}` : ``;
 };
@@ -114,11 +106,10 @@ export class SearchSecureService extends FtrService {
         .set('kbn-xsrf', 'true')
         .set('x-elastic-internal-origin', 'Kibana')
         .set(ELASTIC_HTTP_VERSION_HEADER, BFETCH_ROUTE_VERSION_LATEST)
-        .send()
+        .send(options)
         .expect(200);
-      const [parsedResponse] = parseBfetchResponse(resp);
-      expect(parsedResponse.result.isRunning).equal(false);
-      return parsedResponse.result;
+      expect(resp.body.isRunning).equal(false);
+      return resp.body;
     });
 
     return result as T;
diff --git a/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_dns.ts b/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_dns.ts
index fd6009c82df09..cab4ee31744f6 100644
--- a/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_dns.ts
+++ b/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_dns.ts
@@ -21,8 +21,7 @@ export default function ({ getService }: FtrProviderContextWithSpaces) {
   const esArchiver = getService('esArchiver');
   const utils = getService('securitySolutionUtils');
 
-  // Failing: See https://github.com/elastic/kibana/issues/199372
-  describe.skip('Network DNS', () => {
+  describe('Network DNS', () => {
     let supertest: TestAgent;
     let search: SearchService;
     describe('With packetbeat', () => {
diff --git a/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_top_n_flow.ts b/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_top_n_flow.ts
index 4c316e774ebbd..31eabe76ee0e1 100644
--- a/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_top_n_flow.ts
+++ b/x-pack/test/security_solution_api_integration/test_suites/explore/network/trial_license_complete_tier/tests/network_top_n_flow.ts
@@ -25,8 +25,7 @@ export default function ({ getService }: FtrProviderContextWithSpaces) {
   const esArchiver = getService('esArchiver');
   const utils = getService('securitySolutionUtils');
 
-  // FLAKY: https://github.com/elastic/kibana/issues/199363
-  describe.skip('Network Top N Flow', () => {
+  describe('Network Top N Flow', () => {
     let supertest: TestAgent;
     let search: SearchService;
     describe('With filebeat', () => {
diff --git a/x-pack/test_serverless/shared/services/search_secure.ts b/x-pack/test_serverless/shared/services/search_secure.ts
index 7db246dc4ccdf..f0130203dd9b9 100644
--- a/x-pack/test_serverless/shared/services/search_secure.ts
+++ b/x-pack/test_serverless/shared/services/search_secure.ts
@@ -10,19 +10,11 @@
 
 import expect from '@kbn/expect';
 import { GenericFtrService } from '@kbn/test';
-import request from 'superagent';
 import type { IEsSearchResponse } from '@kbn/search-types';
 import { ELASTIC_HTTP_VERSION_HEADER } from '@kbn/core-http-common';
 import { SupertestWithoutAuthProviderType } from '@kbn/ftr-common-functional-services';
 import { FtrProviderContext } from '../../functional/ftr_provider_context';
 
-const parseBfetchResponse = (resp: request.Response): Array<Record<string, any>> => {
-  return resp.text
-    .trim()
-    .split('\n')
-    .map((item) => JSON.parse(item));
-};
-
 export interface SendOptions {
   supertestWithoutAuth: SupertestWithoutAuthProviderType;
   apiKeyHeader: { Authorization: string };
@@ -108,11 +100,10 @@ export class SearchSecureService extends GenericFtrService<FtrProviderContext> {
         .set('kbn-xsrf', 'true')
         .set('x-elastic-internal-origin', 'Kibana')
         .set(ELASTIC_HTTP_VERSION_HEADER, '1')
-        .send()
+        .send(options)
         .expect(200);
-      const [parsedResponse] = parseBfetchResponse(resp);
-      expect(parsedResponse.result.isRunning).equal(false);
-      return parsedResponse.result;
+      expect(resp.body.isRunning).equal(false);
+      return resp.body;
     });
 
     return result as T;