Merge pull request #3348 from test-repo-billy/java_mgmt_tsp_deleteworkspace

test setup

Author: XiaofeiCao

specificationRepositoryConfiguration.json

@@ -9,7 +9,8 @@
     },
     "azure-sdk-for-java": {
       "integrationRepository": "azure-sdk/azure-sdk-for-java",
-      "mainRepository": "Azure/azure-sdk-for-java",
+      "mainRepository": "test-repo-billy/azure-sdk-for-java",
+      "mainBranch": "java_mgmt_tsp_deleteworkspace",
       "configFilePath": "eng/mgmt/automation/swagger_to_sdk_config.json"
     },
     "azure-sdk-for-js": {