panic: Gateway Timeout /opt/hostedtoolcache/go/1.18.8/x64/src/testing/testing.go:1389 +0x366 /opt/hostedtoolcache/go/1.18.8/x64/src/testing/testing.go:1392 +0x5d2 /opt/hostedtoolcache/go/1.18.8/x64/src/runtime/panic.go:844 +0x258 /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:59 +0xa7 /opt/hostedtoolcache/go/1.18.8/x64/src/testing/testing.go:1439 +0x214 /opt/hostedtoolcache/go/1.18.8/x64/src/testing/testing.go:1486 +0x725