tests fail on macOS

[weissi]

Test Case '-[AsyncHTTPClientTests.HTTPClientInternalTests testUncleanCloseThrows]' started.
Fatal error: ServerBootstrap is only compatible with MultiThreadedEventLoopGroup and SelectableEventLoop. You tried constructing one with NIOTransportServices.NIOTSEventLoop which is incompatible.: file /Users/johannes/devel/swift-nio/Sources/NIO/Bootstrap.swift, line 87
Exited with signal code 4

[artemredkin]

thats new 0_o

[artemredkin]

Ah!