Merge pull request #5354 from carusogabriel/refactoring-tests

Refactoring tests

Conflicts resolved:
	tests/codeigniter/core/Utf8_test.php
	tests/codeigniter/database/query_builder/group_test.php
	tests/codeigniter/libraries/Form_validation_test.php
diff --git a/tests/codeigniter/database/query_builder/empty_test.php b/tests/codeigniter/database/query_builder/empty_test.php
index d1f5628..3f63a60 100644
--- a/tests/codeigniter/database/query_builder/empty_test.php
+++ b/tests/codeigniter/database/query_builder/empty_test.php
@@ -25,7 +25,7 @@
 		// Check initial record
 		$jobs = $this->db->get('job')->result_array();
 
-		$this->assertEquals(4, count($jobs));
+		$this->assertCount(4, $jobs);
 
 		// Do the empty
 		$this->db->empty_table('job');
@@ -36,4 +36,4 @@
 		$this->assertEmpty($jobs->result_array());
 	}
 
-}
\ No newline at end of file
+}