linux test and swift format

Author: artemredkin

Tests/AsyncHTTPClientTests/HTTPClientTests+XCTest.swift

@@ -109,6 +109,7 @@ extension HTTPClientTests {
             ("testNothingIsLoggedAtInfoOrHigher", testNothingIsLoggedAtInfoOrHigher),
             ("testAllMethodsLog", testAllMethodsLog),
             ("testClosingIdleConnectionsInPoolLogsInTheBackground", testClosingIdleConnectionsInPoolLogsInTheBackground),
+            ("testUploadStreamingNoLength", testUploadStreamingNoLength),
         ]
     }
 }

Tests/AsyncHTTPClientTests/HTTPClientTests.swift

@@ -2015,7 +2015,7 @@ class HTTPClientTests: XCTestCase {
         }
 
         var request = try HTTPClient.Request(url: "http://localhost:\(server.serverPort)/")
-        request.body = .stream() { writer in
+        request.body = .stream { writer in
             writer.write(.byteBuffer(ByteBuffer.of(string: "1234")))
         }