Laravel 5.6 updates

Travis config update

Removed HHVM script as Laravel no longer support HHVM after releasing 5.3

vendor/dragonmantank/cron-expression/tests/Cron/MinutesFieldTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Cron\Tests;
+
+use Cron\MinutesField;
+use DateTime;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @author Michael Dowling <mtdowling@gmail.com>
+ */
+class MinutesFieldTest extends TestCase
+{
+    /**
+     * @covers \Cron\MinutesField::validate
+     */
+    public function testValidatesField()
+    {
+        $f = new MinutesField();
+        $this->assertTrue($f->validate('1'));
+        $this->assertTrue($f->validate('*'));
+        $this->assertFalse($f->validate('*/3,1,1-12'));
+    }
+
+    /**
+     * @covers \Cron\MinutesField::increment
+     */
+    public function testIncrementsDate()
+    {
+        $d = new DateTime('2011-03-15 11:15:00');
+        $f = new MinutesField();
+        $f->increment($d);
+        $this->assertSame('2011-03-15 11:16:00', $d->format('Y-m-d H:i:s'));
+        $f->increment($d, true);
+        $this->assertSame('2011-03-15 11:15:00', $d->format('Y-m-d H:i:s'));
+    }
+
+    /**
+     * Various bad syntaxes that are reported to work, but shouldn't.
+     *
+     * @author Chris Tankersley
+     * @since 2017-08-18
+     */
+    public function testBadSyntaxesShouldNotValidate()
+    {
+        $f = new MinutesField();
+        $this->assertFalse($f->validate('*-1'));
+        $this->assertFalse($f->validate('1-2-3'));
+        $this->assertFalse($f->validate('-1'));
+    }
+}