Ivan - Add file upload test [skip ci]

tests/system/fiile-upload-download.rb

@@ -0,0 +1,24 @@
+describe 'File Upload and Download' do
+    request('/user/logout')
+    Scripts.login("creator@os4.com", "creator")
+
+    it 'should upload file when creating ticket' do
+        file = File.new('upload.txt', 'w')
+        file.puts('file content')
+
+        result = request('/ticket/create', {
+            'csrf_userid' => $csrf_userid,
+            'csrf_token' => $csrf_token,
+            'title' => 'Ticket with file',
+            'content' => 'this is a ticket that contains a file',
+            'language' => 'en',
+            'file' => file
+        })
+        (result['status']).should.equal('success');
+
+        ticket = $database.getLastRow('ticket');
+
+        (ticket['file'].include? 'upload.txt').should.equal(true)
+        (File.exist?('../server/files' + ticket['file'])).should.equal(true)
+    end
+end