CopyFile copies a file from a sourceFile to a destinationFile setting permissions to 0755.

HTTPGetWithRetry performs an HTTP GET on an `endpoint`, using retryDelay also as a request timeout.

Lines split output into lines.

NewParallelE2eCLI returns a configured TestE2eCLI with t.Parallel() set.

StdoutContains returns a predicate on command result expecting a string in stdout.

DockerExecutableName is the OS dependent Docker CLI binary name.

E2eCLI is used to wrap the CLI for end to end testing nolint stutter.