我目前在为iOS运行UI测试时遇到了这个问题AssertionFailure:UITestingFailure-FailuregettingsnapshotErrorDomain=XCTestManagerErrorDomainCode=9"Error-25201gettingsnapshotforelement{pid=84523}"UserInfo={NSLocalizedDescription=Error-25201gettingsnapshotforelement{pid=84523}}目前使用Xcode7.3.1，Cocoapods1.0.1。我尝试删除DerivedData