         self.listenableObject = TestListenableObject()
     }
     
-    // MARK: Tests
+    // MARK: Add listeners
     
     func testAddListener() {
         let initialListenerCount = self.listenableObject.listenerCount

        
        XCTAssert(successfulAdd == false, "Duplicate listener was able to be added")
    }
    
    func testRemoveListener() {
        let listeners = self.addTestListeners(count: 1,

        XCTAssert((addedCount != 0) && self.listenableObject.listenerCount == 0,
                  "All listeners were not removed successfully")
    }
    
    // MARK: Enumerate listeners
    
    func testEnumerateAllListeners() {
        let proposedListenerCount = Int(arc4random_uniform(maxListenerCount) + 1)
