diff --git a/google-cloud-clients/google-cloud-bigquerydatatransfer/src/test/java/com/google/cloud/bigquery/datatransfer/v1/DataTransferServiceClientTest.java b/google-cloud-clients/google-cloud-bigquerydatatransfer/src/test/java/com/google/cloud/bigquery/datatransfer/v1/DataTransferServiceClientTest.java
index 232081cf3217..bb0e77df63c3 100644
--- a/google-cloud-clients/google-cloud-bigquerydatatransfer/src/test/java/com/google/cloud/bigquery/datatransfer/v1/DataTransferServiceClientTest.java
+++ b/google-cloud-clients/google-cloud-bigquerydatatransfer/src/test/java/com/google/cloud/bigquery/datatransfer/v1/DataTransferServiceClientTest.java
@@ -37,6 +37,7 @@
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.List;
+import java.util.UUID;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Assert;
@@ -56,7 +57,7 @@ public static void startStaticServer() {
     mockDataTransferService = new MockDataTransferService();
     serviceHelper =
         new MockServiceHelper(
-            "in-process-1", Arrays.<MockGrpcService>asList(mockDataTransferService));
+            UUID.randomUUID().toString(), Arrays.<MockGrpcService>asList(mockDataTransferService));
     serviceHelper.start();
   }
 
diff --git a/google-cloud-clients/google-cloud-bigquerydatatransfer/synth.metadata b/google-cloud-clients/google-cloud-bigquerydatatransfer/synth.metadata
index 2aad914eea45..3e3c29bd4c3d 100644
--- a/google-cloud-clients/google-cloud-bigquerydatatransfer/synth.metadata
+++ b/google-cloud-clients/google-cloud-bigquerydatatransfer/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-09-27T07:36:06.190942Z",
+  "updateTime": "2019-11-19T08:33:42.512737Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.37.1",
-        "dockerImage": "googleapis/artman@sha256:6068f67900a3f0bdece596b97bda8fc70406ca0e137a941f4c81d3217c994a80"
+        "version": "0.42.1",
+        "dockerImage": "googleapis/artman@sha256:c773192618c608a7a0415dd95282f841f8e6bcdef7dd760a988c93b77a64bd57"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "cd112d8d255e0099df053643d4bd12c228ef7b1b",
-        "internalRef": "271468707"
+        "sha": "d8dd7fe8d5304f7bd1c52207703d7f27d5328c5a",
+        "internalRef": "281088257"
       }
     }
   ],