Get list of required tets

lib/inventree/part.dart

@@ -71,6 +71,33 @@ class InvenTreePart extends InvenTreeModel {
   @override
   String URL = "part/";
 
+  List<dynamic> testTemplates;
+
+  int get testTemplateCount {
+    if (testTemplates == null) {
+      return 0;
+    } else {
+      return testTemplates.length;
+    }
+  }
+
+  Future<void> getTestTemplates() async {
+
+    var response = await api.get("/part/test-template/", params: {
+      "part": "${pk}",
+    })
+    .timeout(Duration(seconds: 10))
+    .catchError((e) {
+      return;
+    });
+
+    print("Status: " + response.statusCode.toString());
+
+    testTemplates = json.decode(response.body);
+
+    return;
+  }
+
   // Get the number of stock on order for this Part
   double get onOrder => double.tryParse(jsondata['ordering'].toString() ?? '0');
 

lib/widget/part_detail.dart

@@ -42,6 +42,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
   @override
   Future<void> request(BuildContext context) async {
     await part.reload(context);
+    await part.getTestTemplates();
   }
 
   void _savePart(Map<String, String> values) async {
@@ -219,7 +220,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       tiles.add(ListTile(
           title: Text("Required Tests"),
           leading: FaIcon(FontAwesomeIcons.tasks),
-          trailing: Text(""),
+          trailing: Text("${part.testTemplateCount}"),
           onTap: null,
         )
       );