code: package it.unibz.inf.ontop.rdf4j.repository;
  
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  
  import java.io.IOException;
  import java.sql.SQLException;
  
  /*
  Test whether multiple OPTIONAL clauses with language tags can work
   */
  
  public class MultipleOptionalsWithPKTest extends AbstractMultipleOptionalsTest {
  
      private static final String CREATE_DB_FILE = "/multiple-optionals/multiple-optionals-create.sql";
      private static final String OBDA_FILE = "/multiple-optionals/multiple-optionals.obda";
  
      @BeforeClass
      public static void before() throws IOException, SQLException {
          initOBDA(CREATE_DB_FILE, OBDA_FILE);
      }
  
      @AfterClass
      public static void after() throws SQLException {
          release();
      }
  }
  