Identifier can be used as a name of container, image, volume, network, etc.

ImageRepo returns the image repo that can be used to, e.g, validate output from `nerdctl images`.

NewDelayOnceReader returns a wrapper around io.Reader that delays the first Read() by one second.

RequireExecutable skips tests when executable `name` is not present in PATH.

WithStdin sets the standard input of Cmd to the specified reader.

eStargz.

SOCI.

Large enough for testing soci index creation.

This error string is expected when attempting to connect to a TCP socket for a service which actively refuses the connection.

Foreign layer digest.

Source: https://gist.github.com/cpuguy83/fcf3041e5d8fb1bb5c340915aabeebe0.