chore: Add another test to run sequentially

Author: lqiu96

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/it/ITBigQueryStorageWriteClientTest.java

@@ -95,8 +95,11 @@
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 
 /** Integration tests for BigQuery Write API. */
+@Execution(ExecutionMode.SAME_THREAD)
 class ITBigQueryStorageWriteClientTest {
   private static final Logger LOG =
       Logger.getLogger(ITBigQueryStorageWriteClientTest.class.getName());