Updated tests for Module::init()

- Populate and pass a ModuleManager to the method instead of an event instance.
  The module manager will return the event via its getEvent() method.

test/ModuleTest.php

@@ -44,6 +44,9 @@ public function testInitRegistersPluginManagerSpecificationWithServiceListener()
         $event = $this->prophesize(TestAsset\ModuleEventInterface::class);
         $event->getParam('ServiceManager')->willReturn($container->reveal());
 
-        $this->assertNull($this->module->init($event->reveal()));
+        $moduleManager = $this->prophesize(TestAsset\ModuleManagerInterface::class);
+        $moduleManager->getEvent()->willReturn($event->reveal());
+
+        $this->assertNull($this->module->init($moduleManager->reveal()));
     }
 }

test/TestAsset/ModuleManagerInterface.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * @link      http://github.com/zendframework/zend-i18n for the canonical source repository
+ * @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace ZendTest\I18n\TestAsset;
+
+interface ModuleManagerInterface
+{
+    public function getEvent();
+}