Resolving Unit Testing Issues in XCode 3.2.4 and iOS SDK 4.1

Understanding the Problem with Semaphore Signaling in Unit Testing

Writing Unit Tests for File System Interactions in R Packages: A Comprehensive Guide Using Mockery and TestThat

Undefined Symbols for Architecture armv7 _OBJC_CLASS_Foo Referenced from Unit Test: A Developer's Guide to Resolving the Issue