diff --git a/src/test/php/rdbms/unittest/integration/MsSQLIntegrationTest.class.php b/src/test/php/rdbms/unittest/integration/MsSQLIntegrationTest.class.php
index 42b0ef49..573fdf2d 100755
--- a/src/test/php/rdbms/unittest/integration/MsSQLIntegrationTest.class.php
+++ b/src/test/php/rdbms/unittest/integration/MsSQLIntegrationTest.class.php
@@ -21,7 +21,7 @@ class MsSQLIntegrationTest extends RdbmsIntegrationTest {
    * @return void
    */
   #[Before]
-  public static function setMinimumServerSeverity() {
+  public function setMinimumServerSeverity() {
     if (function_exists('mssql_min_message_severity')) {
       mssql_min_message_severity(12);
     }
diff --git a/src/test/php/rdbms/unittest/integration/RdbmsIntegrationTest.class.php b/src/test/php/rdbms/unittest/integration/RdbmsIntegrationTest.class.php
index b7fc62af..96fc5a75 100755
--- a/src/test/php/rdbms/unittest/integration/RdbmsIntegrationTest.class.php
+++ b/src/test/php/rdbms/unittest/integration/RdbmsIntegrationTest.class.php
@@ -2,35 +2,29 @@
 
 use lang\{MethodNotImplementedException, Throwable};
 use rdbms\{DBEvent, DSN, DriverManager, ResultSet, SQLConnectException, SQLException, SQLStateException, SQLStatementFailedException};
-use unittest\Assert;
-use unittest\{Expect, PrerequisitesNotMetError, Test, TestCase};
+use unittest\{Assert, Before, Expect, PrerequisitesNotMetError, Test};
 use util\{Bytes, Date, Observer};
 
 /**
  * Base class for all RDBMS integration tests
  */
 abstract class RdbmsIntegrationTest {
-  private $dsn, $conn;
+  private $dsn;
+  private $close= [];
 
-  /** @return void */
   #[Before]
-  public function setUp() {
+  public function verify() {
     $env= strtoupper($this->driverName()).'_DSN';
     if (!($this->dsn= getenv($env))) {
       throw new PrerequisitesNotMetError('No credentials for '.nameof($this).', use '.$env.' to set');
     }
-
-    try {
-      $this->conn= DriverManager::getConnection($this->dsn);
-    } catch (Throwable $t) {
-      throw new PrerequisitesNotMetError($t->getMessage(), $t);
-    }
   }
 
-  /** @return void */
   #[After]
-  public function tearDown() {
-    $this->conn && $this->conn->close();
+  public function disconnect() {
+    foreach ($this->close as $conn) {
+      $conn->close();
+    }
   }
 
   /**
@@ -54,8 +48,9 @@ abstract protected function driverName();
    * @return  rdbms.DBConnection
    */
   protected function db($connect= true) {
-    $connect && $this->conn->connect();
-    return $this->conn;
+    $conn= DriverManager::getConnection($this->dsn);
+    $connect && $conn->connect();
+    return $conn;
   }
 
   /**
diff --git a/src/test/php/rdbms/unittest/integration/SybaseIntegrationTest.class.php b/src/test/php/rdbms/unittest/integration/SybaseIntegrationTest.class.php
index 16e32fc3..8f8ef5e3 100755
--- a/src/test/php/rdbms/unittest/integration/SybaseIntegrationTest.class.php
+++ b/src/test/php/rdbms/unittest/integration/SybaseIntegrationTest.class.php
@@ -1,8 +1,7 @@
 <?php namespace rdbms\unittest\integration;
 
 use rdbms\SQLStatementFailedException;
-use unittest\Assert;
-use unittest\{BeforeClass, Expect, PrerequisitesNotMetError, Test, Version};
+use unittest\{Assert, Before, Expect, PrerequisitesNotMetError, Test};
 use util\{Bytes, Date};
 
 /**
@@ -22,28 +21,13 @@ class SybaseIntegrationTest extends RdbmsIntegrationTest {
    *
    * @return void
    */
-  #[BeforeClass]
+  #[Before]
   public static function setMinimumServerSeverity() {
     if (function_exists('sybase_min_server_severity')) {
       sybase_min_server_severity(12);
     }
   }
 
-  /**
-   * Skip tests which require a specific minimum server version
-   */
-  #[Before]
-  public function setUp() {
-    parent::setUp();
-    $m= typeof($this)->getMethod($this->name);
-    if ($m->hasAnnotation('version')) {
-      $server= $this->db()->query('select @@version_number as v')->next('v');
-      if ($server < ($required= $m->getAnnotation('version'))) {
-        throw new PrerequisitesNotMetError('Server version not sufficient: '.$server, null, [$required]);
-      }
-    }
-  }    
-
   /** @return string */
   protected function tableName() { return '#unittest'; }
 
@@ -123,37 +107,55 @@ public function selectNullUniVarChar() {
     Assert::equals(null, $this->db()->query('select cast(NULL as univarchar(255)) as value')->next('value'));
   }
 
-  #[Test, Version(15000)]
+  private function runOn($version, $callable) {
+    $conn= $this->db();
+    $server= $conn->query('select @@version_number as v')->next('v');
+    $server >= $version && $callable($conn);
+  }
+
+  #[Test]
   public function selectEmptyUniText() {
-    Assert::equals(' ', $this->db()->query('select cast("" as unitext) as value')->next('value'));
+    $this->runOn(15000, function($conn) {
+      Assert::equals(' ', $conn->query('select cast("" as unitext) as value')->next('value'));
+    });
   }
 
-  #[Test, Version(15000)]
+  #[Test]
   public function selectUniText() {
-    Assert::equals('test', $this->db()->query('select cast("test" as unitext) as value')->next('value'));
+    $this->runOn(15000, function($conn) {
+      Assert::equals('test', $this->db()->query('select cast("test" as unitext) as value')->next('value'));
+    });
   }
 
-  #[Test, Version(15000)]
+  #[Test]
   public function selectUmlautUniText() {
-    Assert::equals(
-      new Bytes("\303\234bercoder"),
-      new Bytes($this->db()->query('select cast("Übercoder" as unitext) as value')->next('value'))
-    );
+    $this->runOn(15000, function($conn) {
+      Assert::equals(
+        new Bytes("\303\234bercoder"),
+        new Bytes($this->db()->query('select cast("Übercoder" as unitext) as value')->next('value'))
+      );
+    });
   }
 
-  #[Test, Version(15000)]
+  #[Test]
   public function selectNullUniText() {
-    Assert::equals(null, $this->db()->query('select cast(NULL as unitext) as value')->next('value'));
+    $this->runOn(15000, function($conn) {
+      Assert::equals(null, $this->db()->query('select cast(NULL as unitext) as value')->next('value'));
+    });
   }
 
-  #[Test, Version(15000)]
+  #[Test]
   public function selectUnsignedInt() {
-    parent::selectUnsignedInt();
+    $this->runOn(15000, function($conn) {
+      parent::selectUnsignedInt();
+    });
   }
 
-  #[Test, Version(15000)]
+  #[Test]
   public function selectMaxUnsignedBigInt() {
-    parent::selectMaxUnsignedBigInt();
+    $this->runOn(15000, function($conn) {
+      parent::selectMaxUnsignedBigInt();
+    });
   }
 
   #[Test, Expect(['class' => SQLStatementFailedException::class, 'withMessage' => '/More power/'])]