update developer hub host configuration in OAuth tests

Author: harshithad0703

test/sanity-check/api/oauth-test.js

@@ -21,6 +21,27 @@ const oauthClient = client.oauth({
   redirectUri: process.env.REDIRECT_URI
 })
 
+// Override developerHubBaseUrl for custom host
+if (process.env.HOST) {
+  let developerHubHost = null
+  
+  // For dev or stag environments (e.g., dev11-api.csnonprod.com -> dev-developerhub-api.csnonprod.com)
+  if (process.env.HOST.startsWith('dev')) {
+    developerHubHost = process.env.HOST.replace(/^dev\d*-api\./, 'dev-developerhub-api.')
+  } else if (process.env.HOST.startsWith('stag')) {
+    developerHubHost = process.env.HOST.replace(/^stag\d*-api\./, 'stag-developerhub-api.')
+  } 
+  // For standard Contentstack region hosts (e.g., au-api.contentstack.com -> au-developerhub-api.contentstack.com)
+  else if (process.env.HOST.includes('contentstack.com') || process.env.HOST.includes('contentstack.io')) {
+    developerHubHost = process.env.HOST.replace(/-api\./, '-developerhub-api.')
+  }
+  
+  if (developerHubHost) {
+    oauthClient.axiosInstance.defaults.developerHubBaseUrl = `https://${developerHubHost}`
+    oauthClient.developerHubBaseUrl = `https://${developerHubHost}`
+  }
+}
+
 describe('OAuth Authentication API Test', () => {
   it('should login with credentials', done => {
     client.login({ email: process.env.EMAIL, password: process.env.PASSWORD }, { include_orgs: true, include_orgs_roles: true, include_stack_roles: true, include_user_settings: true }).then((response) => {