Add basic unit tests for Queue class using Dummy driver

tests/unit/framework/QueueTest.php

@@ -0,0 +1,23 @@
+<?php
+
+class QueueTest extends \Codeception\Test\Unit
+{
+	public function testDummyQueue()
+	{
+		config('queue.driver', 'dummy');
+
+		$handler = 'myfunc';
+		$args = (object)['foo' => 'bar'];
+		$options = (object)['key' => 'val'];
+
+		Rhymix\Framework\Queue::addTask($handler, $args, $options);
+
+		$output = Rhymix\Framework\Queue::getTask();
+		$this->assertEquals('myfunc', $output->handler);
+		$this->assertEquals('bar', $output->args->foo);
+		$this->assertEquals('val', $output->options->key);
+
+		$output = Rhymix\Framework\Queue::getTask();
+		$this->assertNull($output);
+	}
+}