Fixed an issue with the category attribute being duplicated. ACT-2067

modules/activiti-bpmn-converter/src/main/java/org/activiti/bpmn/converter/UserTaskXMLConverter.java

@@ -47,7 +47,8 @@ public class UserTaskXMLConverter extends BaseBpmnXMLConverter {
       new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_ASSIGNEE), 
       new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_PRIORITY), 
       new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_CANDIDATEUSERS), 
-      new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_CANDIDATEGROUPS)
+      new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_CANDIDATEGROUPS),
+      new ExtensionAttribute(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_TASK_USER_CATEGORY)
   );
 
   public UserTaskXMLConverter() {

modules/activiti-bpmn-converter/src/test/java/org/activiti/editor/language/xml/UserTaskConverterTest.java

@@ -43,6 +43,7 @@ public class UserTaskConverterTest extends AbstractConverterTest {
     UserTask userTask = (UserTask) flowElement;
     assertEquals("usertask", userTask.getId());
     assertEquals("User task", userTask.getName());
+    assertEquals("Test Category", userTask.getCategory());
     assertEquals("testKey", userTask.getFormKey());
     assertEquals("40", userTask.getPriority());
     assertEquals("2012-11-01", userTask.getDueDate());

modules/activiti-bpmn-converter/src/test/resources/usertaskmodel.bpmn

@@ -5,7 +5,7 @@
     <sequenceFlow id="sid-10FF0337-D8FC-495E-92C4-82C2FD5F44F8" sourceRef="sid-12DAA756-C12D-42B6-9AB7-D08C7C8283C1" targetRef="usertask"></sequenceFlow>
     <startEvent id="sid-12DAA756-C12D-42B6-9AB7-D08C7C8283C1"></startEvent>
     <sequenceFlow id="sid-AA1205FD-63BD-47BA-9FB3-AA9F7C1E31F0" sourceRef="usertask" targetRef="endEvent"></sequenceFlow>
-    <userTask id="usertask" name="User task" activiti:async="true" activiti:exclusive="false" activiti:assignee="kermit" activiti:candidateUsers="kermit,fozzie" activiti:candidateGroups="management,sales" activiti:dueDate="2012-11-01" activiti:formKey="testKey" activiti:priority="40">
+    <userTask id="usertask" name="User task" activiti:category="Test Category" activiti:async="true" activiti:exclusive="false" activiti:assignee="kermit" activiti:candidateUsers="kermit,fozzie" activiti:candidateGroups="management,sales" activiti:dueDate="2012-11-01" activiti:formKey="testKey" activiti:priority="40">
       <extensionElements>
         <activiti:customResource activiti:name="businessAdministrator">
          <resourceAssignmentExpression>