 			}
 
 			describe("from another property") {
-				pending("should take the source property's current value") {
+				it("should take the source property's current value") {
 					let sourceProperty = ConstantProperty(initialPropertyValue)
 
 					let destinationProperty = MutableProperty("")

					expect(destinationProperty.value).to(equal(initialPropertyValue))
				}

			pending("should update with changes to the source property's value") {
					let sourceProperty = MutableProperty(initialPropertyValue)

					let destinationProperty = MutableProperty("")

					expect(destinationProperty.value).to(equal(subsequentPropertyValue))
				}

				it("should tear down the binding when disposed") {
					let sourceProperty = MutableProperty(initialPropertyValue)

					let destinationProperty = MutableProperty("")
