XCTestCase

public extension XCTestCase


                    
                    
                    expect(within:reply:)

Executes new asynchronous test using expectation and encapsulates the operation into transaction inside a closure.

Swift

func expect(
    within seconds: TimeInterval,
    reply: @escaping (@escaping (Result<Void, Error>) -> Void) -> Void
)

`seconds`	Seconds until the expectations will time-out.
`reply`	Closure for encapsulating asynchronous tests into transactions, the parameter of the clousre is callback for returning the result of the asynchronous operation.