- fixes failing unit test due to missing property

Author: baywet

src/test/java/com/microsoft/graph/serializer/CollectionPageSerializerTests.java

@@ -41,7 +41,7 @@ public void setUp() {
 
 	@Test
 	public void testAttachmentCollectionPageSerialization() throws Exception {
-        String expectedString = "[{\"contentBytes\":\"ZGF0YQ==\",\"name\":\"document.pdf\",\"@odata.type\":\"#microsoft.graph.fileAttachment\",\"id\":\"54321\"},{\"item\":{\"end\":{\"dateTime\":\"2018-11-18T07:30:26.544Z\",\"timeZone\":\"UTC\"},\"start\":{\"dateTime\":\"2018-10-16T06:15:26.544Z\",\"timeZone\":\"UTC\"},\"subject\":\"Test Event Subject\",\"@odata.type\":\"microsoft.graph.event\",\"id\":\"1234\"},\"name\":\"Holiday event\",\"@odata.type\":\"#microsoft.graph.itemAttachment\"},{\"item\":{\"displayName\":\"displayname\",\"mobilePhone\":\"123456890\",\"@odata.type\":\"microsoft.graph.contact\"},\"name\":\"Attachment name\",\"@odata.type\":\"#microsoft.graph.itemAttachment\"}]";
+        String expectedString = "[{\"contentBytes\":\"ZGF0YQ==\",\"name\":\"document.pdf\",\"@odata.type\":\"#microsoft.graph.fileAttachment\",\"id\":\"54321\"},{\"item\":{\"end\":{\"dateTime\":\"2018-11-18T07:30:26.544Z\",\"timeZone\":\"UTC\"},\"start\":{\"dateTime\":\"2018-10-16T06:15:26.544Z\",\"timeZone\":\"UTC\"},\"subject\":\"Test Event Subject\",\"@odata.type\":\"microsoft.graph.event\",\"id\":\"1234\"},\"name\":\"Holiday event\",\"@odata.type\":\"#microsoft.graph.itemAttachment\"},{\"item\":{\"displayName\":\"displayname\",\"officeLocation\":\"Montreal\",\"@odata.type\":\"microsoft.graph.contact\"},\"name\":\"Attachment name\",\"@odata.type\":\"#microsoft.graph.itemAttachment\"}]";
         AttachmentCollectionResponse response = new AttachmentCollectionResponse();
         response.value = Arrays.asList(getFileAttachment(),getItemAttachmentWithEvent(),getItemAttachmentWithContact());
         AttachmentCollectionPage attachmentCollectionPage = new AttachmentCollectionPage(response, null);