For testing on Android

Author: johnno1962

Package.swift

@@ -1,3 +1,19 @@
+// swift-tools-version:4.0
+
 import PackageDescription
 
-let package = Package(name: "XCTest")
+let package = Package(
+    name: "XCTest",
+    products:[
+        .library(
+            name: "XCTest",
+            type: .dynamic,
+            targets:["XCTest"]
+        )
+    ],
+    dependencies: [
+    ],
+    targets: [
+        .target(name: "XCTest", dependencies: [], path: "Sources"),
+        ]
+)

Sources/XCTest/Private/PrintObserver.swift

@@ -59,7 +59,9 @@ internal class PrintObserver: XCTestObservation {
 
     fileprivate func printAndFlush(_ message: String) {
         print(message)
+#if !os(Android)
         fflush(stdout)
+#endif
     }
 
     private func formatTimeInterval(_ timeInterval: TimeInterval) -> String {