diff --git a/.js/branch.txt b/.js/branch.txt
new file mode 100644
index 000000000000..955e74f6c0e7
--- /dev/null
+++ b/.js/branch.txt
@@ -0,0 +1 @@
+origin/wanl/support-multi-run
diff --git a/specification/apicenter/data-plane/ApiCenter.DataApi/preview/2024-02-01-preview/azure.apicenter.dataapi.json b/specification/apicenter/data-plane/ApiCenter.DataApi/preview/2024-02-01-preview/azure.apicenter.dataapi.json
index 4b5328803ea9..21aaa637678b 100644
--- a/specification/apicenter/data-plane/ApiCenter.DataApi/preview/2024-02-01-preview/azure.apicenter.dataapi.json
+++ b/specification/apicenter/data-plane/ApiCenter.DataApi/preview/2024-02-01-preview/azure.apicenter.dataapi.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "Azure API Center Data API",
     "version": "2024-02-01-preview",
-    "description": "Data API introduces endpoints to manage your API Center resources.",
+    "description": "Data API introduces endpoints to manage your API Center resources. test 1",
     "x-typespec-generated": [
       {
         "emitter": "@azure-tools/typespec-autorest"
diff --git a/specification/appconfiguration/data-plane/Microsoft.AppConfiguration/stable/2023-11-01/appconfiguration.json b/specification/appconfiguration/data-plane/Microsoft.AppConfiguration/stable/2023-11-01/appconfiguration.json
index f92959401773..f778d78f2d89 100644
--- a/specification/appconfiguration/data-plane/Microsoft.AppConfiguration/stable/2023-11-01/appconfiguration.json
+++ b/specification/appconfiguration/data-plane/Microsoft.AppConfiguration/stable/2023-11-01/appconfiguration.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "Azure App Configuration",
     "version": "2023-11-01",
-    "description": "Azure App Configuration REST API",
+    "description": "Azure App Configuration REST API test 2",
     "x-typespec-generated": [
       {
         "emitter": "@azure-tools/typespec-autorest"
diff --git a/specificationRepositoryConfiguration.json b/specificationRepositoryConfiguration.json
index 0b2c1930d549..7a0e48278243 100644
--- a/specificationRepositoryConfiguration.json
+++ b/specificationRepositoryConfiguration.json
@@ -13,12 +13,14 @@
       "configFilePath": "eng/automation/swagger_to_sdk_config.json"
     },
     "azure-sdk-for-js": {
-      "integrationRepository": "azure-sdk/azure-sdk-for-js",
-      "mainRepository": "Azure/azure-sdk-for-js"
+       "integrationRepository": "test-repo-billy/azure-sdk-for-js",
+      "mainBranch": "test_repo_breaking_change_mlc",
+      "mainRepository": "test-repo-billy/azure-sdk-for-js"
     },
     "azure-sdk-for-net": {
       "integrationRepository": "azure-sdk/azure-sdk-for-net",
-      "mainRepository": "Azure/azure-sdk-for-net",
+      "mainRepository": "pshao25/azure-sdk-for-net",
+      "mainBranch": "computeMigrationReadmeUpdate",
       "configFilePath": "eng/swagger_to_sdk_config.json"
     },
     "azure-sdk-for-python": {
@@ -44,8 +46,9 @@
           "configFilePath": "eng/automation/swagger_to_sdk_config.json"
         },
         "azure-sdk-for-js": {
-          "integrationRepository": "azure-sdk/azure-sdk-for-js-pr",
-          "mainRepository": "Azure/azure-sdk-for-js-pr"
+           "integrationRepository": "test-repo-billy/azure-sdk-for-js",
+      "mainBranch": "test_repo_breaking_change_mlc",
+      "mainRepository": "test-repo-billy/azure-sdk-for-js"
         },
         "azure-sdk-for-net": {
           "integrationRepository": "azure-sdk/azure-sdk-for-net-pr",