Initial work on expanding coverage.

[kcartier-wri]

Did you read the Contributor Guide?

• Yes, I have read How to contribute

• No, I haven't read it.

Is this PR related to a JIRA ticket?

• Yes, the URL of the associated JIRA ticket is https://gfw.atlassian.net/browse/CIF-XXX. The PR name follows the format [CIF-XXX] my subject.

• No, this is a documentation update. The PR name follows the format [DOCS] my subject.

What changes were proposed in this PR?

How was this patch tested?

Did this PR include necessary documentation updates?

• Yes, I am adding a new API feature.
• Yes, I have updated the documentation update.
• No, this PR does not affect any public API so no need to change the docs.

[jterry64]

This looks good to me. Just to make sure I understand since there was some refactoring too, you just made sure there was a test for each layer we have?