panic: runtime error: invalid memory address or nil pointer dereference /opt/hostedtoolcache/go/1.18.2/x64/src/testing/testing.go:1389 +0x366 /opt/hostedtoolcache/go/1.18.2/x64/src/testing/testing.go:1392 +0x5d2 /opt/hostedtoolcache/go/1.18.2/x64/src/runtime/panic.go:844 +0x258 /home/runner/work/ably-go/ably-go/ablytest/recorders.go:112 +0x797 /home/runner/work/ably-go/ably-go/ablytest/recorders.go:72 +0x53 /opt/hostedtoolcache/go/1.18.2/x64/src/net/http/client.go:252 +0x93f /opt/hostedtoolcache/go/1.18.2/x64/src/net/http/client.go:176 +0x158 /opt/hostedtoolcache/go/1.18.2/x64/src/net/http/client.go:725 +0x1065 /opt/hostedtoolcache/go/1.18.2/x64/src/net/http/client.go:593 /home/runner/work/ably-go/ably-go/ably/rest_client.go:679 +0x87a /home/runner/work/ably-go/ably-go/ably/rest_client.go:600 /home/runner/work/ably-go/ably-go/ably/auth.go:257 +0xcef /home/runner/work/ably-go/ably-go/ably/auth.go:292 +0x55a /home/runner/work/ably-go/ably-go/ably/auth.go:273 +0xac /home/runner/work/ably-go/ably-go/ably/auth_integration_test.go:164 +0x425 /opt/hostedtoolcache/go/1.18.2/x64/src/testing/testing.go:1439 +0x214 /opt/hostedtoolcache/go/1.18.2/x64/src/testing/testing.go:1486 +0x725