             self.waitForExpectations(timeout: self.timeoutDuration, handler: nil)
         }
         
+        Thread.sleep(forTimeInterval: testInterval)
+        
         print("Test to revoke voting to the specified Comment.")
         do {
             var isSucceeded = false

            self.waitForExpectations(timeout: self.timeoutDuration, handler: nil)
        }
        
        print("Test to give a downvote to the specified Link.")
        do {
            var isSucceeded = false

            self.waitForExpectations(timeout: self.timeoutDuration, handler: nil)
        }
        
        Thread.sleep(forTimeInterval: testInterval)
        
        print("Test to give a downvote to the specified Comment.")
        do {
            var isSucceeded = false
