TF-4243 Add integration test on mobile for case delete_a_label

integration_test/tests/labels/delete_a_tag_test.dart

@@ -0,0 +1,10 @@
+import '../../base/test_base.dart';
+import '../../scenarios/labels/delete_a_tag_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description:
+        'Should delete label in label list when delete a label successfully',
+    scenarioBuilder: ($) => DeleteATagScenario($),
+  );
+}