diff --git a/dsms-engine-application/src/test/java/com/dsms/common/taskmanager/model/TaskStrategyTest.java b/dsms-engine-application/src/test/java/com/dsms/common/taskmanager/model/TaskStrategyTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..d93a59a3bb1458be327f918f5e45ed6e9c5723ce
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/taskmanager/model/TaskStrategyTest.java
@@ -0,0 +1,20 @@
+package com.dsms.common.taskmanager.model;
+
+import com.dsms.common.taskmanager.service.ITaskService;
+import com.dsms.dfsbroker.common.api.CommonApi;
+import com.dsms.modules.filesystem.task.CreateFsTask;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+class TaskStrategyTest {
+
+    @Test
+    void rollback() {
+        Task task = new Task();
+        CommonApi commonApi = Mockito.mock(CommonApi.class);
+        ITaskService taskService = Mockito.mock(ITaskService.class);
+        CreateFsTask createFsTask = new CreateFsTask(commonApi,taskService);
+        Assertions.assertNull(createFsTask.rollback(task));
+    }
+}
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