fixes #227 (#228)

Author: kbsali

src/Redmine/Client.php

@@ -600,8 +600,7 @@ public function prepareRequest($path, $method = 'GET', $data = '')
     private function isUploadCall($path, $data)
     {
         return
-            '/uploads.json' === $path ||
-            '/uploads.xml' === $path &&
+            ('/uploads.json' === $path || '/uploads.xml' === $path) &&
             isset($data) &&
             is_file($data)
         ;

tests/Unit/Api/IssueRelationTest.php

@@ -180,11 +180,11 @@ public function testCreateCallsPost()
 
         // Create the used mock objects
         $client = $this->getMockBuilder('Redmine\Client')
-                       ->disableOriginalConstructor()
-                       ->getMock();
+                        ->disableOriginalConstructor()
+                        ->getMock();
         $client->expects($this->once())
-               ->method('post')
-               ->with(
+                ->method('post')
+                ->with(
                     '/issues/1/relations.json',
                     json_encode([
                         'relation' => [