some tests were not closing their connections

h2/src/test/org/h2/test/db/TestRowFactory.java

@@ -41,6 +41,7 @@ public class TestRowFactory extends TestBase {
             stat.execute("insert into t1 values(" + i + ", 'name')");
         }
         assertTrue(MyTestRowFactory.COUNTER.get() >= 1000);
+        conn.close();
         deleteDb("rowFactory");
     }
 

h2/src/test/org/h2/test/db/TestTableEngines.java

@@ -345,7 +345,7 @@ public class TestTableEngines extends TestBase {
                 return "0".equals(b) && a != null && a < 2;
             }
         }, null);
-
+        conn.close();
         deleteDb("tableEngine");
     }
 
@@ -362,6 +362,7 @@ public class TestTableEngines extends TestBase {
                 + "(select id from QUERY_EXPR_TEST)");
         stat.executeQuery("select 1 from QUERY_EXPR_TEST_NO n "
                 + "where exists(select 1 from QUERY_EXPR_TEST y where y.id = n.id)");
+        conn.close();
         deleteDb("testQueryExpressionFlag");
     }
 
@@ -401,6 +402,7 @@ public class TestTableEngines extends TestBase {
         checkPlan(stat, "select * from (select (select id from test_plan "
                 + "where name = 'z') from dual)",
                 "MY_NAME_INDEX");
+        conn.close();
         deleteDb("testSubQueryInfo");
     }
 
@@ -469,6 +471,7 @@ public class TestTableEngines extends TestBase {
             forceJoinOrder(stat, false);
             TreeSetIndex.exec.shutdownNow();
         }
+        conn.close();
         deleteDb("testBatchedJoin");
     }
 

h2/src/test/org/h2/test/jdbcx/TestDataSource.java

@@ -187,6 +187,7 @@ public class TestDataSource extends TestBase {
         conn = ds.getConnection(getUser(), getPassword());
         stat = conn.createStatement();
         stat.execute("SELECT * FROM DUAL");
+        conn.close();
     }
 
 }

h2/src/test/org/h2/test/mvcc/TestMvcc2.java

@@ -10,7 +10,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.concurrent.atomic.AtomicBoolean;
-
 import org.h2.api.ErrorCode;
 import org.h2.test.TestBase;
 import org.h2.util.Task;
@@ -151,6 +150,7 @@ public class TestMvcc2 extends TestBase {
         assertThrows(ErrorCode.LOCK_TIMEOUT_1, conn2.createStatement()).
                 execute("select * from test where id = 3 for update");
         conn.close();
+        conn2.close();
     }
 
     private void testInsertUpdateRollback() throws SQLException {