chore: Re-enable v1beta1 ITs

Author: lqiu96

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta1/it/ITBigQueryStorageLongRunningTest.java

@@ -48,7 +48,6 @@
  * Integration tests for BigQuery Storage API which target long running sessions. These tests can be
  * enabled by setting the system property 'bigquery.storage.enable_long_running_tests' to true.
  */
-@Ignore("Ignoring non v1 ITs")
 public class ITBigQueryStorageLongRunningTest {
 
   private static final Logger LOG =

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta1/it/ITBigQueryStorageTest.java

@@ -92,7 +92,6 @@
 import org.junit.Test;
 
 /** Integration tests for BigQuery Storage API. */
-@Ignore("Ignoring non v1 ITs")
 public class ITBigQueryStorageTest {
 
   private static final Logger LOG = Logger.getLogger(ITBigQueryStorageTest.class.getName());