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fileprivate class CoreDataTestingUtil {
    
    static func context() -> NSManagedObjectContext {
        let managedObjectModel = NSManagedObjectModel.mergedModel(from: [Bundle.main])!
        let persistentStoreCoordinator = NSPersistentStoreCoordinator(managedObjectModel: managedObjectModel)
        
        do {
            try persistentStoreCoordinator.addPersistentStore(ofType: NSInMemoryStoreType, configurationName: nil, at: nil, options: nil)
        } catch {
            print("Failed to create managed objectcontext for testing")
        }
        
        let managedObjectContext = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)
        managedObjectContext.persistentStoreCoordinator = persistentStoreCoordinator
        
        return managedObjectContext
    }
}