Skip pull when integration image environment variable set
Skip pull when integration image environment variable set

When an image is built locally for integration tests, pulling may either error out or overwrite the intended image.

Signed-off-by: Derek McGowan <e1c79a582b6629e6b39e9679f4bb964d25db4aa8@mcgstyle.net> (github: dmcgowan)

docker/golem,docker/golem