test(rules): verify groups and text annotations can be connected

Related to #1327

test/spec/features/rules/BpmnRules.process.bpmn

@@ -23,8 +23,12 @@
     <bpmn2:dataStoreReference id="DataStoreReference" name="" dataStoreRef="DataStore_1"/>
     <bpmn2:subProcess id="CollapsedSubProcess"/>
     <bpmn2:textAnnotation id="TextAnnotation"/>
+    <bpmn2:group id="Group" categoryValueRef="CategoryValue" />
   </bpmn2:process>
   <bpmn2:dataStore id="DataStore_1" name="Data Store 1"/>
+  <bpmn2:category id="Category">
+    <bpmn2:categoryValue id="CategoryValue" />
+  </bpmn2:category>
   <bpmndi:BPMNDiagram id="_BPMNDiagram_2">
     <bpmndi:BPMNPlane id="_BPMNPlane_2" bpmnElement="Process">
       <bpmndi:BPMNShape id="_BPMNShape_Task_8" bpmnElement="Task">
@@ -87,6 +91,9 @@
       <bpmndi:BPMNShape id="CollapsedSubProcess_di" bpmnElement="CollapsedSubProcess">
         <dc:Bounds x="756" y="358" width="100" height="80"/>
       </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Group_di" bpmnElement="Group">
+        <dc:Bounds x="770" y="90" width="210" height="120" />
+      </bpmndi:BPMNShape>
     </bpmndi:BPMNPlane>
   </bpmndi:BPMNDiagram>
 </bpmn2:definitions>

test/spec/features/rules/BpmnRulesSpec.js

@@ -423,6 +423,28 @@ describe('features/modeling/rules - BpmnRules', function() {
     }));
 
 
+    it('connect Group -> TextAnnotation', inject(function() {
+
+      expectCanConnect('Group', 'TextAnnotation', {
+        sequenceFlow: false,
+        messageFlow: false,
+        association: true,
+        dataAssociation: false
+      });
+    }));
+
+
+    it('connect TextAnnotation -> Group', inject(function() {
+
+      expectCanConnect('TextAnnotation', 'Group', {
+        sequenceFlow: false,
+        messageFlow: false,
+        association: true,
+        dataAssociation: false
+      });
+    }));
+
+
     it('connect StartEvent_None -> DataStoreReference', inject(function() {
 
       expectCanConnect('StartEvent_None', 'DataStoreReference', {