close() output streams on rejection, update test

core/src/main/groovy/com/muwire/core/connection/ConnectionAcceptor.groovy

@@ -159,6 +159,7 @@ class ConnectionAcceptor {
             }
         } catch (Exception ex) {
             log.log(Level.WARNING, "incoming connection failed",ex)
+            e.getOutputStream().close()
             e.close()
             eventBus.publish new ConnectionEvent(endpoint: e, incoming: true, leaf: null, status: ConnectionAttemptStatus.FAILED)
         }
@@ -207,7 +208,7 @@ class ConnectionAcceptor {
                 os.writeShort(json.bytes.length)
                 os.write(json.bytes)
             }
-            e.outputStream.flush()
+            e.outputStream.close()
             e.close()
             eventBus.publish(new ConnectionEvent(endpoint: e, incoming: true, leaf: leaf, status: ConnectionAttemptStatus.REJECTED))
         }

core/src/test/groovy/com/muwire/core/connection/ConnectionAcceptorTest.groovy

@@ -95,7 +95,7 @@ class ConnectionAcceptorTest {
         connectionEstablisher = connectionEstablisherMock.proxyInstance()
 
         acceptor = new ConnectionAcceptor(eventBus, connectionManager, settings, i2pAcceptor,
-            hostCache, trustService, searchManager, uploadManager, null, connectionEstablisher)
+            hostCache, trustService, searchManager, uploadManager, null, connectionEstablisher, null)
         acceptor.start()
         Thread.sleep(100)
     }