我认为这是最近一次XCode更新时发生的。我已经尝试了清理和重建,但都没有效果...
Failed to build module 'XCTest' from its module interface;
the compiler that produced it,
'Apple Swift version 5.3 (swiftlang-1200.2.26.4 clang-1200.0.29.4)',
may have used features that aren't supported by this compiler,
'Apple Swift version 5.3 (swiftlang-1200.0.29.2 clang-1200.0.30.1)'