Add machineTimeout parameter

Author: David Stotijn

src/MessageBird/Objects/VoiceMessage.php

@@ -81,6 +81,14 @@ class VoiceMessage extends Base
      */
     public $ifMachine = 'continue';
 
+    /**
+     * The time (in milliseconds) to analyze if a machine has picked up the phone. Used in combination with the delay
+     * and hangup values of the ifMachine attribute. Minimum: 400, maximum: 10000.
+     *
+     * @var int
+     */
+    public $machineTimeout = 7000;
+
     /**
      * The scheduled date and time of the message in RFC3339 format (Y-m-d\TH:i:sP)
      *

tests/integration/voicemessages/VoiceMessagesTest.php

@@ -18,7 +18,7 @@ public function testVoiceMessageCreate()
         $Message->body       = 'This is a test message.';
         $Message->language   = "nl";
         $Message->voice      = "male";
-        $this->mockClient->expects($this->once())->method('performHttpRequest')->with("POST", 'voicemessages', null, '{"originator":"MessageBird","body":"This is a test message.","reference":null,"language":"nl","voice":"male","repeat":1,"ifMachine":"continue","scheduledDatetime":null,"recipients":[31612345678],"reportUrl":null}');
+        $this->mockClient->expects($this->once())->method('performHttpRequest')->with("POST", 'voicemessages', null, '{"originator":"MessageBird","body":"This is a test message.","reference":null,"language":"nl","voice":"male","repeat":1,"ifMachine":"continue","machineTimeout":7000,"scheduledDatetime":null,"recipients":[31612345678],"reportUrl":null}');
         $this->client->voicemessages->create($Message);
     }