         try channel.cancel()
 
         XCTAssertThrowsError(
-            try channel.send((), deadline: .never),
+            try channel.send(deadline: .never),
             error: VeniceError.canceledChannel
         )
     }

        let channel = try Channel<Void>()
        try channel.done()

        XCTAssertThrowsError(try channel.send((), deadline: .never), error: VeniceError.channelIsDone)
    }

    func testSendTimeout() throws {


        let coroutine = try Coroutine {
            XCTAssertThrowsError(
                try channel.send(deadline: .never),
                error: VeniceError.canceledCoroutine
            )
        }
