org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘com.imooc.mall.EmallApplicationTests’: Unsatisfied dependency expressed through field ‘categoryMapper’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘com.imooc.mall.dao.CategoryMapper’ available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

但是我的路径和类名都是正确的 请问如何解决