             XCTAssertBuilds(prefix, "app")
             var output = try popen(execpath)
             XCTAssertEqual(output, "♣︎K\n♣︎Q\n♣︎J\n♣︎10\n♣︎9\n♣︎8\n♣︎7\n♣︎6\n♣︎5\n♣︎4\n")
-
-            // we need to sleep at least one second otherwise
-            // llbuild does not realize the file has changed
-            sleep(1)
 
             try fopen(prefix, "app/Packages/FisherYates-1.2.3/src/Fisher-Yates_Shuffle.swift", mode: .write) { fp in
                 try fputs("public extension Collection{ func shuffle() -> [Iterator.Element] {return []} }\n\npublic extension MutableCollection where Index == Int { mutating func shuffleInPlace() { for (i, _) in enumerated() { self[i] = self[0] } }}\n\npublic let shuffle = true", fp)

 See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/

import struct Utility.Path
import func Utility.fopen
import func Utility.fputs
import func libc.sleep
import enum POSIX.Error
import func POSIX.popen
import XCTest

class MiscellaneousTestCase: XCTestCase {


            var output = try popen(execpath)
            XCTAssertEqual(output, "Hello\n")

            try fopen(prefix, "Bar/Bar.swift", mode: .write) { fp in
                try fputs("public let bar = \"Goodbye\"\n", fp)
            }
