Add docs.testgitbook.com to ADAPTIVE_CONTENT_HOSTS list (#3303)

Author: spastorelli

.changeset/clever-jokes-yell.md

@@ -0,0 +1,5 @@
+---
+"gitbook-v2": patch
+---
+
+Add docs.testgitbook.com to ADAPTIVE_CONTENT_HOSTS list

packages/gitbook-v2/src/middleware.ts

@@ -41,6 +41,8 @@ const ADAPTIVE_CONTENT_HOSTS = [
     'docs.gitbook.com',
     'adaptive-docs.gitbook-staging.com',
     'enriched-content-playground.gitbook-staging.io',
+    'docs.testgitbook.com',
+    'launchdarkly-site.gitbook.education',
 ];
 
 export async function middleware(request: NextRequest) {