Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/mtdowling/cron-expression/tests/Cron/FieldFactoryTest.php

@@ -1,42 +0,0 @@
-<?php
-
-namespace Cron\Tests;
-
-use Cron\FieldFactory;
-
-/**
- * @author Michael Dowling <mtdowling@gmail.com>
- */
-class FieldFactoryTest extends \PHPUnit_Framework_TestCase
-{
-    /**
-     * @covers Cron\FieldFactory::getField
-     */
-    public function testRetrievesFieldInstances()
-    {
-        $mappings = array(
-            0 => 'Cron\MinutesField',
-            1 => 'Cron\HoursField',
-            2 => 'Cron\DayOfMonthField',
-            3 => 'Cron\MonthField',
-            4 => 'Cron\DayOfWeekField',
-            5 => 'Cron\YearField'
-        );
-
-        $f = new FieldFactory();
-
-        foreach ($mappings as $position => $class) {
-            $this->assertEquals($class, get_class($f->getField($position)));
-        }
-    }
-
-    /**
-     * @covers Cron\FieldFactory::getField
-     * @expectedException InvalidArgumentException
-     */
-    public function testValidatesFieldPosition()
-    {
-        $f = new FieldFactory();
-        $f->getField(-1);
-    }
-}