only set deprecated attribute in older php versions so it does not break the test in php 5.6(+)

tests/Doctrine/Tests/DBAL/Functional/Ticket/DBAL630Test.php

@@ -36,7 +36,7 @@ class DBAL630Test extends \Doctrine\Tests\DbalFunctionalTestCase
 
             // PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated in php 5.6. PDO::ATTR_EMULATE_PREPARES should
             // be used instead. so should only it be set when it is supported.
-            if(defined('PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT')) {
+            if (version_compare('5.6', phpversion()) === 1) {
                 $this->_conn->getWrappedConnection()->setAttribute(PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT, false);
             }
         }
@@ -67,7 +67,12 @@ class DBAL630Test extends \Doctrine\Tests\DbalFunctionalTestCase
     public function testBooleanConversionBoolParamEmulatedPrepares()
     {
         $this->_conn->getWrappedConnection()->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
-        $this->_conn->getWrappedConnection()->setAttribute(PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT, true);
+
+        // PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated in php 5.6. PDO::ATTR_EMULATE_PREPARES should
+        // be used instead. so should only it be set when it is supported.
+        if (version_compare('5.6', phpversion()) === 1) {
+            $this->_conn->getWrappedConnection()->setAttribute(PDO::GSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT, true);
+        }
 
         $platform = $this->_conn->getDatabasePlatform();