chore: update gemini suggestions

Author: Neenu1995

java-bigquery/google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBase.java

@@ -170,9 +170,8 @@ protected int resultSetRowCount(ResultSet resultSet) throws SQLException {
   public static List<String> getInfoBySQL(Connection connection, String sqlCmd)
       throws SQLException {
     List<String> result = new ArrayList<>();
-    try {
-      Statement st = connection.createStatement();
-      ResultSet rs = st.executeQuery(sqlCmd);
+    try (Statement st = connection.createStatement();
+        ResultSet rs = st.executeQuery(sqlCmd)) {
       while (rs.next()) {
         result.add(rs.getString(1));
       }

java-bigquery/google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITConnectionPoolingTest.java

@@ -352,5 +352,8 @@ private void assertConnectionPoolingResults(String connectionURL, Long connectio
     assertEquals(1, listener.getConnectionPoolCurrentCapacity());
     assertEquals(connectionPoolSize, listener.getConnectionPoolSize());
     pooledConnection.close();
+    jsonResultSet.close();
+    statement.close();
+    connection.close();
   }
 }

java-bigquery/google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITConnectionTest.java

@@ -42,11 +42,11 @@
 
 public class ITConnectionTest {
 
-  private static final String DATASET = "EXT_JDBC_CONNECTION_TEST_DATASET";
+  private static final String DATASET = "JDBC_CONNECTION_TEST_DATASET";
   private static final String DEFAULT_CATALOG = ServiceOptions.getDefaultProjectId();
   static Random random = new Random();
   static int randomNumber = random.nextInt(999);
-  private static final String TABLE_NAME = "EXT_JDBC_CONNECTION_TEST_TABLE" + randomNumber;
+  private static final String TABLE_NAME = "JDBC_CONNECTION_TEST_TABLE" + randomNumber;
 
   private static String connectionUrl =
       "jdbc:bigquery://https://www.googleapis.com/bigquery/v2:443;ProjectId=%s;OAuthType=3;Timeout=3600;";

java-bigquery/google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITDriverTest.java

@@ -65,8 +65,8 @@ public void testGetDriverMethod() throws SQLException, InterruptedException {
             + OAUTH_TYPE
             + ";LOCATION=US;";
 
-    String dataset = "EXT_JDBC_DRIVER_TEST_DATASET" + random.nextInt(999);
-    String tableName = "EXT_JDBC_DRIVER_TEST_TABLE" + randomNumber;
+    String dataset = "JDBC_DRIVER_TEST_DATASET" + random.nextInt(999);
+    String tableName = "JDBC_DRIVER_TEST_TABLE" + randomNumber;
 
     Driver driver = DriverManager.getDriver(CONNECTION_URL);
 
@@ -92,8 +92,8 @@ public void testGetDriverMethod() throws SQLException, InterruptedException {
   @Test
   public void testDriverLocation() throws SQLException, InterruptedException {
 
-    String datasetUS = "EXT_JDBC_DRIVER_US_TEST_DATASET" + random.nextInt(999);
-    String tableNameUS = "EXT_JDBC_DRIVER_US_TEST_TABLE" + randomNumber;
+    String datasetUS = "JDBC_DRIVER_US_TEST_DATASET" + random.nextInt(999);
+    String tableNameUS = "JDBC_DRIVER_US_TEST_TABLE" + randomNumber;
     String OAUTH_TYPE = "3";
     String CONNECTION_URL =
         "jdbc:bigquery://https://bigquery.googleapis.com/bigquery/v2/:443;ProjectId=%s;OAuthType=%s;LOCATION=%s;";
@@ -116,5 +116,6 @@ public void testDriverLocation() throws SQLException, InterruptedException {
     Dataset retrievedDataset = bigQuery.getDataset(DatasetId.of(DEFAULT_CATALOG, datasetUS));
     assertEquals("us-east5", retrievedDataset.getLocation());
     ITBase.cleanUp(datasetUS);
+    connectionUS.close();
   }
 }

java-bigquery/google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITResultSetMetadataTest.java

@@ -35,8 +35,8 @@ public class ITResultSetMetadataTest {
   private static final String DEFAULT_CATALOG = ServiceOptions.getDefaultProjectId();
   static Random random = new Random();
   static int randomNumber = random.nextInt(999);
-  private static final String TABLE_NAME = "EXT_JDBC_RSMETADATA_TEST_TABLE" + randomNumber;
-  private static final String DATASET = "EXT_JDBC_RSMETADATA_TEST_DATASET";
+  private static final String TABLE_NAME = "JDBC_RSMETADATA_TEST_TABLE" + randomNumber;
+  private static final String DATASET = "JDBC_RSMETADATA_TEST_DATASET";
   private static ResultSetMetaData metaData;
 
   @BeforeClass