 			}
 
 			subject.rx.action = nil
-
-			expect(disposed) == true
+			expect(disposed).to(beTrue())
 		}
 	}
 }

			var subject = UIBarButtonItem(barButtonSystemItem: .save, target: nil, action: nil)

			let action = emptyAction()

			subject.rx.action = action

			expect(subject.rx.action) === action
		}

		it("disables the button while executing") {

			})

			_ = subject.target?.perform(subject.action, with: subject)
			expect(executed) == false
		}

