Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ValidConstantPassTest.php

@@ -1,64 +0,0 @@
-<?php
-
-/*
- * This file is part of Psy Shell
- *
- * (c) 2012-2014 Justin Hileman
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Psy\Test\CodeCleaner;
-
-use Psy\CodeCleaner\ValidConstantPass;
-
-class ValidConstantPassTest extends CodeCleanerTestCase
-{
-    public function setUp()
-    {
-        $this->setPass(new ValidConstantPass());
-    }
-
-    /**
-     * @dataProvider getInvalidReferences
-     * @expectedException \Psy\Exception\FatalErrorException
-     */
-    public function testProcessInvalidConstantReferences($code)
-    {
-        $stmts = $this->parse($code);
-        $this->traverse($stmts);
-    }
-
-    public function getInvalidReferences()
-    {
-        return array(
-            array('Foo\BAR'),
-
-            // class constant fetch
-            array('Psy\Test\CodeCleaner\ValidConstantPassTest::FOO'),
-            array('DateTime::BACON'),
-        );
-    }
-
-    /**
-     * @dataProvider getValidReferences
-     */
-    public function testProcessValidConstantReferences($code)
-    {
-        $stmts = $this->parse($code);
-        $this->traverse($stmts);
-    }
-
-    public function getValidReferences()
-    {
-        return array(
-            array('PHP_EOL'),
-
-            // class constant fetch
-            array('NotAClass::FOO'),
-            array('DateTime::ATOM'),
-            array('$a = new DateTime; $a::ATOM'),
-        );
-    }
-}