add test for alone try block, and update test scripts summary

Author: laruence

Zend/tests/try_catch_finally_002.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Try catch finally
+Try catch finally catch(multi catch blocks)
 --FILE--
 <?php
 

Zend/tests/try_catch_finally_003.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Try catch finally
+Try catch finally (multi catch blcoks with return)
 --FILE--
 <?php
 

Zend/tests/try_catch_finally_004.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Try catch finally
+Try catch finally (re-throw exception in catch block)
 --CREDITS--
 adoy
 --FILE--

Zend/tests/try_finally_004.phpt

@@ -0,0 +1,14 @@
+--TEST--
+Try without catch/finally block
+--FILE--
+<?php
+function foo () {
+   try {
+        echo "3";
+   }
+}
+
+foo();
+?>
+--EXPECTF--
+Fatal error: Cannot use try without catch or finally in %stry_finally_004.php on line %d