Flake: `TestReaderReadFileHTTPSProxySuccess`

[chrisdoherty4]

Logs

2023/05/03 21:02:51 http: TLS handshake error from 127.0.0.1:60668: tls: first record does not look like a TLS handshake
2023/05/03 21:02:51 http: response.WriteHeader on hijacked connection from github.com/aws/eks-anywhere/pkg/files_test.pipe (reader_test.go:257)
2023/05/03 21:02:51 http: response.Write on hijacked connection from fmt.Fprintln (print.go:305)
--- FAIL: TestReaderReadFileHTTPSProxySuccess (0.01s)
    reader_test.go:140: 
        Expected
            <*errors.errorString | 0xc0004803d0>: {
                s: "failed reading file from url [[https://example.com:443/testdata/file.yaml](https://example.com/testdata/file.yaml)]: Get \"[https://example.com:443/testdata/file.yaml\](https://example.com/testdata/file.yaml/)": EOF",
            }
        to be nil
FAIL
	github.com/aws/eks-anywhere/pkg/files	coverage: 92.6% of statements
FAIL	github.com/aws/eks-anywhere/pkg/files	0.055s

Occurences

• https://github.com/aws/eks-anywhere/actions/runs/4876450182/jobs/8699956129?pr=5773

[chrisdoherty4]

https://prow.eks.amazonaws.com/view/s3/prowpresubmitsdataclusterstack-prowbucket7c73355c-vfwwxd2eb4gp/pr-logs/pull/aws_eks-anywhere/5888/eks-anywhere-presubmit/1659339691830284288

[chrisdoherty4]

https://github.com/aws/eks-anywhere/actions/runs/5489835919/jobs/10004494938?pr=5786

[chrisdoherty4]

This has happened twice more for me today.