Undefined symbols for architecture arm64, Xcode 12.3

I have errors when trying to run tests. I read that the error may be related to unrelated files, but I did not find this problem in my project.
Has anyone encountered a similar problem and how did you solve it?

Code Block Undefined symbols for architecture arm64:  "protocol descriptor for InTravel.URLRequestFactory", referenced from:      l_got.$s8InTravel17URLRequestFactoryMp in Tests_RequestFactory.o  "(extension in InTravel):InTravel.EndPointType.url.getter : Foundation.URL", referenced from:      Tests_iOS.MockRequestFactory.createRequest(InTravel.EndPointType) throws -> Foundation.URLRequest in Tests_RequestFactory.old: symbol(s) not found for architecture arm64clang: error: linker command failed with exit code 1 (use -v to see invocation)



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Undefined symbols for architecture arm64, Xcode 12.3
 
 
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