auth_integration_test.go:235: auth_integration_test.go:260: panic: runtime error: invalid memory address or nil pointer dereference /opt/hostedtoolcache/go/1.19.13/x64/src/testing/testing.go:1396 +0x372 /opt/hostedtoolcache/go/1.19.13/x64/src/testing/testing.go:1399 +0x5f0 /opt/hostedtoolcache/go/1.19.13/x64/src/runtime/panic.go:890 +0x262 /home/runner/work/ably-go/ably-go/ably/auth_integration_test.go:262 +0x14b7 /opt/hostedtoolcache/go/1.19.13/x64/src/testing/testing.go:1446 +0x217 /opt/hostedtoolcache/go/1.19.13/x64/src/testing/testing.go:1493 +0x75e