realtime_conn_spec_integration_test.go:754: timed out waiting for channel receive panic: request error: Bad Gateway ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n<HTML><HEAD><META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=iso-8859-1\">\n<TITLE>ERROR: The request could not be satisfied</TITLE>\n</HEAD><BODY>\n<H1>502 ERROR</H1>\n<H2>The request could not be satisfied.</H2>\n<HR noshade size=\"1px\">\nThe origin closed the connection.\nWe can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.\n<BR clear=\"all\">\nIf you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.\n<BR clear=\"all\">\n<HR noshade size=\"1px\">\n<PRE>\nGenerated by cloudfront (CloudFront)\nRequest ID: Ey91BWEzimHkNrvYMJheYLJ86xrb2xZKj5YVZx1BkgTtJ6nUW8gAYw==\n</PRE>\n<ADDRESS>\n</ADDRESS>\n</BODY></HTML>") /opt/hostedtoolcache/go/1.18.7/x64/src/testing/testing.go:1389 +0x366 /opt/hostedtoolcache/go/1.18.7/x64/src/testing/testing.go:1392 +0x5d2 /opt/hostedtoolcache/go/1.18.7/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_conn_spec_integration_test.go:1280 +0x307 /opt/hostedtoolcache/go/1.18.7/x64/src/testing/testing.go:1439 +0x214 /opt/hostedtoolcache/go/1.18.7/x64/src/testing/testing.go:1486 +0x725