in RIBsTests/Extensions/Foundation+ExtensionsTests.swift [24:40]
func test_removeElementByReference() {
let object1 = NSObject()
let object2 = NSObject()
let object3 = NSObject()
var array = [object1, object2]
XCTAssert(array.count == 2)
array.removeElementByReference(object1)
XCTAssert(array.count == 1)
array.removeElementByReference(object3)
XCTAssert(array.count == 1)
array.removeElementByReference(object2)
XCTAssert(array.isEmpty)
}