panic: Gateway Timeout /opt/hostedtoolcache/go/1.19.3/x64/src/testing/testing.go:1396 +0x372 /opt/hostedtoolcache/go/1.19.3/x64/src/testing/testing.go:1399 +0x5f0 /opt/hostedtoolcache/go/1.19.3/x64/src/runtime/panic.go:890 +0x262 /home/runner/work/ably-go/ably-go/ablytest/sandbox.go:126 +0x72 /home/runner/work/ably-go/ably-go/ablytest/sandbox.go:106 +0x52 /home/runner/work/ably-go/ably-go/ably/realtime_channel_spec_integration_test.go:83 +0xaa /opt/hostedtoolcache/go/1.19.3/x64/src/testing/testing.go:1446 +0x217 /opt/hostedtoolcache/go/1.19.3/x64/src/testing/testing.go:1493 +0x75e