Fix lower deps and tests

composer.json

@@ -22,24 +22,25 @@
   "require": {
     "php": ">=5.6",
     "marcelog/pami": "^1.7 || ^2.0",
+    "zendframework/zend-eventmanager": "^2.6 || ^3.0",
     "zendframework/zend-stdlib": "^2.7 || ^3.0",
     "zendframework/zend-servicemanager": "^2.7 || ^3.0",
-    "zendframework/zend-modulemanager": "^2.7",
-    "zendframework/zend-mvc": "^2.7",
-    "zendframework/zend-log": "^2.9"
+    "zendframework/zend-modulemanager": "^2.5",
+    "zendframework/zend-mvc": "^2.5",
+    "zendframework/zend-log": "^2.5"
   },
   "require-dev": {
-    "zendframework/zend-serializer": "^2.7",
-    "zendframework/zend-i18n": "^2.7",
-    "zendframework/zend-cache": "^2.7",
-    "zendframework/zend-test": "^2.6",
+    "zendframework/zend-serializer": "^2.5",
+    "zendframework/zend-i18n": "^2.5",
+    "zendframework/zend-cache": "^2.5",
+    "zendframework/zend-test": "^2.5",
     "apache/log4php": "^2.3",
-    "phpunit/phpunit": "^4.8 || ~5.2.0",
+    "phpunit/phpunit": "^4.8 || ^5.2",
     "squizlabs/php_codesniffer": "^2.5",
     "friendsofphp/php-cs-fixer": "^1.11"
   },
   "suggest": {
-    "zendframework/zend-cache:^2.7": "To use CacheListener"
+    "zendframework/zend-cache:^2.5": "To use CacheListener"
   },
   "autoload": {
     "psr-4": {

test/unit/Service/ConnectionStatusDelegatorFactoryTest.php

@@ -11,7 +11,7 @@ public function testCreateDelegatorWithName()
     {
         $eventManager = $this->getMock('Zend\\EventManager\\EventManagerInterface');
         $client = $this->getMock('PamiModule\\Service\\Client', ['getEventManager'], [], '', false);
-        $serviceLocator = $this->getMock('Zend\\ServiceManager\\ServiceLocatorInterface');
+        $serviceLocator = $this->getMock('Zend\\ServiceManager\\ServiceManager');
 
         $client->expects(static::any())
             ->method('getEventManager')