diff --git a/cake/tests/cases/libs/model/datasources/dbo/dbo_postgres.test.php b/cake/tests/cases/libs/model/datasources/dbo/dbo_postgres.test.php
index ab84540a2da..e789bae4abb 100644
--- a/cake/tests/cases/libs/model/datasources/dbo/dbo_postgres.test.php
+++ b/cake/tests/cases/libs/model/datasources/dbo/dbo_postgres.test.php
@@ -677,7 +677,7 @@ function testAlterIndexes() {
 	*/
 	function testVirtualFields() {
 		$this->loadFixtures('Article', 'Comment');
-		$Article =& ClassRegistry::init('Article');
+		$Article = new Article;
 		$Article->virtualFields = array(
 			'next_id' => 'Article.id + 1',
 			'complex' => 'Article.title || Article.body',
@@ -690,5 +690,14 @@ function testVirtualFields() {
 		$this->assertEqual($result['Article']['functional'], $result['Article']['title']);
 		$this->assertEqual($result['Article']['subquery'], 6);
 	}
+
+	/**
+	* Tests additional order options for postgres
+	*/
+	function testOrderAdditionalParams() {
+		$result = $this->db->order(array('title' => 'DESC NULLS FIRSTS', 'body' => 'DESC'));
+		$expected = ' ORDER BY "title" DESC NULLS FIRSTS, "body" DESC';
+		$this->assertEqual($result, $expected);
+	}
 }
 ?>
\ No newline at end of file
diff --git a/cake/tests/cases/libs/model/model_read.test.php b/cake/tests/cases/libs/model/model_read.test.php
index 3efd9f4797e..bdcb4db2a67 100755
--- a/cake/tests/cases/libs/model/model_read.test.php
+++ b/cake/tests/cases/libs/model/model_read.test.php
@@ -76,7 +76,7 @@ function testFetchingNonUniqueFKJoinTableRecords() {
 	function testGroupBy() {
 		$db = ConnectionManager::getDataSource('test_suite');
 		$isStrictGroupBy = in_array($db->config['driver'], array('postgres', 'oracle'));
-		$message = '%s Postgresql and Oracle have strict GROUP BY and are incompatible with this test.';
+		$message = '%s Postgres and Oracle have strict GROUP BY and are incompatible with this test.';
 
 		if ($this->skipIf($isStrictGroupBy, $message )) {
 			return;
@@ -4030,6 +4030,9 @@ function testFindAllWithConditionsHavingMixedDataTypes() {
 		$result = $TestModel->find('all', compact('conditions', 'recursive', 'order'));
 		$this->assertEqual($result, $expected);
 
+		if ($this->skipIf($this->db->config['driver'] == 'postgres', 'The rest of testFindAllWithConditionsHavingMixedDataTypes test is not compatible with Postgres')) {
+			return;
+		}
 		$conditions = array('id' => array('1', 2, '3.0'));
 		$order = 'Article.id ASC';
 		$result = $TestModel->find('all', compact('recursive', 'conditions', 'order'));
@@ -7240,6 +7243,9 @@ function testVirtualFields() {
 		$result = $Post->field('other_field');
 		$this->assertEqual($result, 4);
 
+		if ($this->skipIf($this->db->config['driver'] == 'postgres', 'The rest of virtualFieds test is not compatible with Postgres')) {
+			return;
+		}
 		ClassRegistry::flush();
 		$Post =& ClassRegistry::init('Post');