Added Calendar library unit test
diff --git a/tests/mocks/libraries/calendar.php b/tests/mocks/libraries/calendar.php
new file mode 100644
index 0000000..8fee536
--- /dev/null
+++ b/tests/mocks/libraries/calendar.php
@@ -0,0 +1,25 @@
+<?php
+
+class Mock_Libraries_Calendar extends CI_Calendar {
+
+	public function __construct($config = array())
+	{
+		$this->CI = new stdClass;
+		$this->CI->lang = new Mock_Core_Lang();
+
+		if ( ! in_array('calendar_lang.php', $this->CI->lang->is_loaded, TRUE))
+		{
+			$this->CI->lang->load('calendar');
+		}
+
+		$this->local_time = time();
+
+		if (count($config) > 0)
+		{
+			$this->initialize($config);
+		}
+
+		log_message('debug', 'Calendar Class Initialized');
+	}
+
+}
\ No newline at end of file