fix：【bpm 工作流】BpmCategoryServiceImplTest 单测不正确的问题

yudao-module-bpm/yudao-module-bpm-server/src/test/java/cn/iocoder/yudao/module/bpm/service/category/BpmCategoryServiceImplTest.java

@@ -8,9 +8,11 @@ import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.category.BpmCa
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmCategoryDO;
 import cn.iocoder.yudao.module.bpm.dal.mysql.category.BpmCategoryMapper;
 import cn.iocoder.yudao.module.bpm.service.definition.BpmCategoryServiceImpl;
+import cn.iocoder.yudao.module.bpm.service.definition.BpmModelService;
 import jakarta.annotation.Resource;
 import org.junit.jupiter.api.Test;
 import org.springframework.context.annotation.Import;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 
 import static cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils.buildBetweenTime;
 import static cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils.buildTime;
@@ -32,6 +34,9 @@ public class BpmCategoryServiceImplTest extends BaseDbUnitTest {
     @Resource
     private BpmCategoryServiceImpl categoryService;
 
+    @MockitoBean
+    private BpmModelService modelService;
+
     @Resource
     private BpmCategoryMapper categoryMapper;