   func testWillResignActive() {
     XCTAssert(
       SessionTestCase
-      .statesFrom { $0.applicationWillResignActive(UIApplication.shared) }
+      .statesFromCall { $0.applicationWillResignActive(UIApplication.shared) }
       .map { $0.state }
       ==
       [.none(.awaitingLaunch), .will(.resigned)]

    var z = y; z.isIgnoringUserEvents = false
    
    XCTAssert(
      SessionTestCase.statesFromStream(stream: Observable.of(x, y, x))
      .map { $0.isIgnoringUserEvents }
      ==
      [

  func testHandleActionWithIdentifierResponseInfo() {
    XCTAssert(
      SessionTestCase
      .statesFromCall {
        $0.application(
          UIApplication.shared,
          handleActionWithIdentifier: "x",
