Trace error
diff --git a/tests/codeigniter/database/query_builder/group_test.php b/tests/codeigniter/database/query_builder/group_test.php
index ddb2d0d..dd248ae 100644
--- a/tests/codeigniter/database/query_builder/group_test.php
+++ b/tests/codeigniter/database/query_builder/group_test.php
@@ -22,16 +22,16 @@
 	 */
 	public function test_group_by()
 	{
-		$jobs = $this->db->select('name')
+		$jobs = $this->db->select('job.name as job_name, job.id as job_id')
 							  ->from('job')
-							  ->group_by('name HAVING SUM(id) > 2')
+							  ->group_by('job_name HAVING SUM(job_id) > 2')
 		                      ->get()
 		                      ->result_array();
 		
 		// Check the result
 		$this->assertEquals(2, count($jobs));
-		$this->assertEquals('Accountant', $jobs[0]['name']);
-		$this->assertEquals('Musician', $jobs[1]['name']);
+		$this->assertEquals('Accountant', $jobs[0]['job_name']);
+		$this->assertEquals('Musician', $jobs[1]['job_name']);
 	}
 	
 }
\ No newline at end of file