Merge pull request #2147 from apple/disable-test_dataTaskWithHttpInputStream-5.0

[5.0] Disable flaky test - https://bugs.swift.org/browse/SR-9981

Author: shahmishal

TestFoundation/TestURLSession.swift

@@ -15,7 +15,7 @@ class TestURLSession : LoopbackServerTest {
             ("test_dataTaskWithURLRequest", test_dataTaskWithURLRequest),
             ("test_dataTaskWithURLCompletionHandler", test_dataTaskWithURLCompletionHandler),
             ("test_dataTaskWithURLRequestCompletionHandler", test_dataTaskWithURLRequestCompletionHandler),
-            ("test_dataTaskWithHttpInputStream", test_dataTaskWithHttpInputStream),
+            // ("test_dataTaskWithHttpInputStream", test_dataTaskWithHttpInputStream), - Flaky test
             ("test_downloadTaskWithURL", test_downloadTaskWithURL),
             ("test_downloadTaskWithURLRequest", test_downloadTaskWithURLRequest),
             ("test_downloadTaskWithRequestAndHandler", test_downloadTaskWithRequestAndHandler),